/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 08:12:44,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 08:12:44,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 08:12:45,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-01 08:12:45,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 08:12:45,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 08:12:45,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 08:12:45,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 08:12:45,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 08:12:45,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 08:12:45,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 08:12:45,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 08:12:45,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 08:12:45,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 08:12:45,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 08:12:45,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 08:12:45,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 08:12:45,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 08:12:45,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 08:12:45,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 08:12:45,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-01 08:12:45,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 08:12:45,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 08:12:45,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 08:12:45,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 08:12:45,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 08:12:45,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 08:12:45,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 08:12:45,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 08:12:45,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 08:12:45,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 08:12:45,091 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 08:12:45,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 08:12:45,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 08:12:45,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 08:12:45,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 08:12:45,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 08:12:45,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 08:12:45,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 08:12:45,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 08:12:45,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 08:12:45,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-01 08:12:45,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-01 08:12:45,093 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-01 08:12:45,093 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 08:12:45,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 08:12:45,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 08:12:45,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 08:12:45,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 08:12:45,397 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 08:12:45,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i [2021-05-01 08:12:45,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32dbfaed7/0255c880bfdd43e7949f9d0174ca7931/FLAG53ff38961 [2021-05-01 08:12:45,893 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 08:12:45,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i [2021-05-01 08:12:45,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32dbfaed7/0255c880bfdd43e7949f9d0174ca7931/FLAG53ff38961 [2021-05-01 08:12:45,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32dbfaed7/0255c880bfdd43e7949f9d0174ca7931 [2021-05-01 08:12:45,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 08:12:45,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-01 08:12:45,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 08:12:45,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 08:12:45,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 08:12:45,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 08:12:45" (1/1) ... [2021-05-01 08:12:45,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236ea1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:45, skipping insertion in model container [2021-05-01 08:12:45,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 08:12:45" (1/1) ... [2021-05-01 08:12:45,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 08:12:45,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 08:12:46,059 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i[873,886] [2021-05-01 08:12:46,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 08:12:46,074 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 08:12:46,129 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i[873,886] [2021-05-01 08:12:46,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 08:12:46,145 INFO L208 MainTranslator]: Completed translation [2021-05-01 08:12:46,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46 WrapperNode [2021-05-01 08:12:46,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 08:12:46,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 08:12:46,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 08:12:46,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 08:12:46,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... [2021-05-01 08:12:46,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 08:12:46,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 08:12:46,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 08:12:46,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 08:12:46,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 08:12:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 08:12:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 08:12:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 08:12:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 08:12:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 08:12:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 08:12:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-01 08:12:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-01 08:12:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 08:12:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 08:12:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-01 08:12:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-05-01 08:12:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 08:12:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 08:12:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 08:12:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 08:12:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 08:12:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 08:12:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 08:12:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 08:12:46,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 08:12:46,407 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 08:12:46,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 08:12:46 BoogieIcfgContainer [2021-05-01 08:12:46,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 08:12:46,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 08:12:46,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 08:12:46,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 08:12:46,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 08:12:45" (1/3) ... [2021-05-01 08:12:46,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34366b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 08:12:46, skipping insertion in model container [2021-05-01 08:12:46,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:12:46" (2/3) ... [2021-05-01 08:12:46,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34366b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 08:12:46, skipping insertion in model container [2021-05-01 08:12:46,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 08:12:46" (3/3) ... [2021-05-01 08:12:46,413 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark23_conjunctive.i [2021-05-01 08:12:46,417 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-01 08:12:46,424 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 08:12:46,436 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 08:12:46,450 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 08:12:46,450 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-01 08:12:46,451 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-01 08:12:46,451 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 08:12:46,451 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 08:12:46,451 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 08:12:46,451 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 08:12:46,451 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 08:12:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-01 08:12:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-01 08:12:46,464 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:46,464 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:46,464 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:46,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:46,468 INFO L82 PathProgramCache]: Analyzing trace with hash -304977768, now seen corresponding path program 1 times [2021-05-01 08:12:46,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:46,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914454179] [2021-05-01 08:12:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:46,512 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-01 08:12:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:46,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:46,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:46,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:46,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:46,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:46,625 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:46,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914454179] [2021-05-01 08:12:46,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [914454179] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:46,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:46,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-01 08:12:46,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083361566] [2021-05-01 08:12:46,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-01 08:12:46,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:46,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-01 08:12:46,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 08:12:46,640 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:46,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:46,722 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-05-01 08:12:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-01 08:12:46,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-05-01 08:12:46,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:46,728 INFO L225 Difference]: With dead ends: 33 [2021-05-01 08:12:46,728 INFO L226 Difference]: Without dead ends: 14 [2021-05-01 08:12:46,730 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-01 08:12:46,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-05-01 08:12:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-05-01 08:12:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-05-01 08:12:46,753 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-05-01 08:12:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:46,754 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-05-01 08:12:46,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-05-01 08:12:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-01 08:12:46,755 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:46,755 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:46,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 08:12:46,755 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:46,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:46,756 INFO L82 PathProgramCache]: Analyzing trace with hash -828987386, now seen corresponding path program 1 times [2021-05-01 08:12:46,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:46,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142107980] [2021-05-01 08:12:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:46,787 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_8 100) InVars {main_~i~0=v_main_~i~0_8} OutVars{main_~i~0=v_main_~i~0_8} AuxVars[] AssignedVars[] [2021-05-01 08:12:46,799 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:46,812 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,823 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:46,825 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,826 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:46,828 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:46,833 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,835 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,837 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,840 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,842 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,844 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,846 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,848 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,850 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,851 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:46,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:46,868 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:46,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:46,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:46,929 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:46,942 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:46,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:46,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:46,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:46,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:46,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:47,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:47,004 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:47,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:47,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:47,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:47,034 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:47,036 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,055 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:47,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142107980] [2021-05-01 08:12:47,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1142107980] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:47,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:47,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-01 08:12:47,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935444765] [2021-05-01 08:12:47,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-01 08:12:47,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:47,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-01 08:12:47,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-05-01 08:12:47,057 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:47,159 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-05-01 08:12:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-01 08:12:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-05-01 08:12:47,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:47,160 INFO L225 Difference]: With dead ends: 20 [2021-05-01 08:12:47,160 INFO L226 Difference]: Without dead ends: 15 [2021-05-01 08:12:47,175 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 137.4ms TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-05-01 08:12:47,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-05-01 08:12:47,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-05-01 08:12:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-05-01 08:12:47,179 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-05-01 08:12:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:47,179 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-05-01 08:12:47,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-05-01 08:12:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-01 08:12:47,180 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:47,180 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:47,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-01 08:12:47,180 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:47,181 INFO L82 PathProgramCache]: Analyzing trace with hash 106583640, now seen corresponding path program 2 times [2021-05-01 08:12:47,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:47,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888182361] [2021-05-01 08:12:47,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:47,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:47,194 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_12 100) InVars {main_~i~0=v_main_~i~0_12} OutVars{main_~i~0=v_main_~i~0_12} AuxVars[] AssignedVars[] [2021-05-01 08:12:47,198 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:47,202 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,205 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,207 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,209 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,211 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,213 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,216 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,218 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:47,219 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:47,221 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:47,223 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,225 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,226 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,228 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,229 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:47,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:47,243 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:47,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:47,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:47,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:47,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:47,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:47,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:47,348 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:47,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:47,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:47,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:47,381 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:47,383 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:47,404 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:47,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:47,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,427 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:47,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888182361] [2021-05-01 08:12:47,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [888182361] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:47,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:47,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-01 08:12:47,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17168411] [2021-05-01 08:12:47,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-01 08:12:47,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:47,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-01 08:12:47,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-05-01 08:12:47,431 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:47,589 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-05-01 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-01 08:12:47,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-05-01 08:12:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:47,590 INFO L225 Difference]: With dead ends: 21 [2021-05-01 08:12:47,590 INFO L226 Difference]: Without dead ends: 16 [2021-05-01 08:12:47,591 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 196.1ms TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-05-01 08:12:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-05-01 08:12:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-05-01 08:12:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-05-01 08:12:47,594 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2021-05-01 08:12:47,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:47,594 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-05-01 08:12:47,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-05-01 08:12:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-05-01 08:12:47,595 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:47,595 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:47,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-01 08:12:47,596 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:47,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:47,596 INFO L82 PathProgramCache]: Analyzing trace with hash -955485626, now seen corresponding path program 3 times [2021-05-01 08:12:47,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:47,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945514058] [2021-05-01 08:12:47,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:47,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:47,602 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_17 100) InVars {main_~i~0=v_main_~i~0_17} OutVars{main_~i~0=v_main_~i~0_17} AuxVars[] AssignedVars[] [2021-05-01 08:12:47,605 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:47,607 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,610 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:47,613 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,614 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:47,617 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,620 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:47,622 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,623 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,627 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,629 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,631 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,632 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,634 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,637 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,638 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:47,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:47,652 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:47,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:47,683 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:47,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:47,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:47,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:47,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:47,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:47,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:47,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:47,737 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:47,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:47,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:47,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:47,763 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:47,765 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:47,785 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:47,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:47,803 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:47,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:47,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:47,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:47,821 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:47,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945514058] [2021-05-01 08:12:47,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [945514058] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:47,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:47,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-01 08:12:47,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079462518] [2021-05-01 08:12:47,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-01 08:12:47,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:47,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-01 08:12:47,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-05-01 08:12:47,822 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:47,991 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2021-05-01 08:12:47,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-01 08:12:47,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-05-01 08:12:47,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:47,992 INFO L225 Difference]: With dead ends: 22 [2021-05-01 08:12:47,992 INFO L226 Difference]: Without dead ends: 17 [2021-05-01 08:12:47,992 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 227.4ms TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2021-05-01 08:12:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-05-01 08:12:47,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-05-01 08:12:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-05-01 08:12:47,996 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2021-05-01 08:12:47,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:47,996 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2021-05-01 08:12:47,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-05-01 08:12:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-05-01 08:12:47,996 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:47,996 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:47,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-01 08:12:47,997 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:47,997 INFO L82 PathProgramCache]: Analyzing trace with hash 480105496, now seen corresponding path program 4 times [2021-05-01 08:12:47,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:47,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839044519] [2021-05-01 08:12:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:48,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:48,003 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_23 100) InVars {main_~i~0=v_main_~i~0_23} OutVars{main_~i~0=v_main_~i~0_23} AuxVars[] AssignedVars[] [2021-05-01 08:12:48,006 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:48,007 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,010 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:48,012 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,012 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:48,014 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:48,017 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,019 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,022 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,024 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,026 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,028 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,030 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,032 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,033 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,034 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:48,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:48,048 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:48,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,075 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:48,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:48,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:48,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:48,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:48,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:48,121 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:48,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:48,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:48,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:48,143 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:48,145 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:48,162 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,210 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:48,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839044519] [2021-05-01 08:12:48,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [839044519] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:48,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:48,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-05-01 08:12:48,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303726892] [2021-05-01 08:12:48,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-01 08:12:48,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:48,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-01 08:12:48,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-05-01 08:12:48,212 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:48,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:48,404 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2021-05-01 08:12:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-01 08:12:48,405 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-05-01 08:12:48,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:48,406 INFO L225 Difference]: With dead ends: 23 [2021-05-01 08:12:48,406 INFO L226 Difference]: Without dead ends: 18 [2021-05-01 08:12:48,407 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 248.6ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-05-01 08:12:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-05-01 08:12:48,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-05-01 08:12:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2021-05-01 08:12:48,415 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2021-05-01 08:12:48,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:48,415 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2021-05-01 08:12:48,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2021-05-01 08:12:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-01 08:12:48,416 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:48,416 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:48,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-01 08:12:48,416 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:48,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:48,417 INFO L82 PathProgramCache]: Analyzing trace with hash 2033757318, now seen corresponding path program 5 times [2021-05-01 08:12:48,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:48,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009831767] [2021-05-01 08:12:48,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:48,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:48,426 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_30 100) InVars {main_~i~0=v_main_~i~0_30} OutVars{main_~i~0=v_main_~i~0_30} AuxVars[] AssignedVars[] [2021-05-01 08:12:48,429 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:48,432 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,433 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,435 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,436 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,438 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,439 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,441 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,443 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:48,444 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:48,446 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:48,450 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,461 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,468 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,470 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,471 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:48,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:48,486 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:48,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,541 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:48,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:48,552 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:48,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:48,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:48,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:48,606 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:48,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:48,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:48,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:48,636 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:48,640 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:48,657 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,673 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,696 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:48,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:48,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:48,729 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:48,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009831767] [2021-05-01 08:12:48,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1009831767] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:48,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:48,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-05-01 08:12:48,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931932218] [2021-05-01 08:12:48,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-01 08:12:48,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:48,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-01 08:12:48,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-05-01 08:12:48,730 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:48,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:48,945 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-05-01 08:12:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-01 08:12:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-05-01 08:12:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:48,946 INFO L225 Difference]: With dead ends: 24 [2021-05-01 08:12:48,946 INFO L226 Difference]: Without dead ends: 19 [2021-05-01 08:12:48,947 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 292.9ms TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-05-01 08:12:48,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-05-01 08:12:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-05-01 08:12:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-05-01 08:12:48,950 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2021-05-01 08:12:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:48,951 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-05-01 08:12:48,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-05-01 08:12:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-01 08:12:48,951 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:48,951 INFO L519 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:48,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-01 08:12:48,951 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:48,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1342643752, now seen corresponding path program 6 times [2021-05-01 08:12:48,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:48,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223725415] [2021-05-01 08:12:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:48,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:48,956 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_38 100) InVars {main_~i~0=v_main_~i~0_38} OutVars{main_~i~0=v_main_~i~0_38} AuxVars[] AssignedVars[] [2021-05-01 08:12:48,958 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:48,960 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,962 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:48,964 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,964 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:48,967 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,969 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:48,971 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,973 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,975 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,977 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,979 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,980 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,981 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,983 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,983 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:48,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:48,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:48,996 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:49,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,016 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:49,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:49,027 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:49,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:49,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:49,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:49,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:49,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:49,061 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:49,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:49,080 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:49,082 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:49,099 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,114 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,164 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,182 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:49,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223725415] [2021-05-01 08:12:49,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1223725415] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:49,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:49,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-05-01 08:12:49,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331809637] [2021-05-01 08:12:49,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-01 08:12:49,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:49,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-01 08:12:49,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-05-01 08:12:49,184 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:49,471 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-05-01 08:12:49,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-01 08:12:49,472 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-05-01 08:12:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:49,473 INFO L225 Difference]: With dead ends: 25 [2021-05-01 08:12:49,473 INFO L226 Difference]: Without dead ends: 20 [2021-05-01 08:12:49,473 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 349.6ms TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-05-01 08:12:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-05-01 08:12:49,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-05-01 08:12:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-05-01 08:12:49,477 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2021-05-01 08:12:49,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:49,477 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-05-01 08:12:49,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-05-01 08:12:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-05-01 08:12:49,478 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:49,478 INFO L519 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:49,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-01 08:12:49,478 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:49,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:49,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1363105478, now seen corresponding path program 7 times [2021-05-01 08:12:49,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:49,479 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951909948] [2021-05-01 08:12:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:49,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:49,484 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_47 100) InVars {main_~i~0=v_main_~i~0_47} OutVars{main_~i~0=v_main_~i~0_47} AuxVars[] AssignedVars[] [2021-05-01 08:12:49,486 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:49,489 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,491 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,494 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,495 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,498 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,500 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,503 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,505 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:49,506 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:49,508 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:49,509 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,511 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,513 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,516 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,517 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:49,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:49,532 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:49,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,556 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:49,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:49,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:49,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:49,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:49,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:49,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:49,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:49,608 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:49,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:49,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:49,632 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:49,633 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:49,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,689 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,708 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,727 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,747 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:49,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:49,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:49,769 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:49,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951909948] [2021-05-01 08:12:49,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1951909948] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:49,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:49,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-05-01 08:12:49,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860742595] [2021-05-01 08:12:49,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-01 08:12:49,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:49,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-01 08:12:49,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-05-01 08:12:49,771 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:50,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:50,071 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-05-01 08:12:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-01 08:12:50,071 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-05-01 08:12:50,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:50,072 INFO L225 Difference]: With dead ends: 26 [2021-05-01 08:12:50,072 INFO L226 Difference]: Without dead ends: 21 [2021-05-01 08:12:50,073 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 409.2ms TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2021-05-01 08:12:50,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-05-01 08:12:50,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-05-01 08:12:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-05-01 08:12:50,077 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2021-05-01 08:12:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:50,077 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-05-01 08:12:50,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-05-01 08:12:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-05-01 08:12:50,078 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:50,078 INFO L519 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:50,078 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-01 08:12:50,078 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:50,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:50,078 INFO L82 PathProgramCache]: Analyzing trace with hash -658014312, now seen corresponding path program 8 times [2021-05-01 08:12:50,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:50,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439166331] [2021-05-01 08:12:50,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:50,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:50,085 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_57 100) InVars {main_~i~0=v_main_~i~0_57} OutVars{main_~i~0=v_main_~i~0_57} AuxVars[] AssignedVars[] [2021-05-01 08:12:50,087 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:50,088 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,092 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,094 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:50,094 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:50,106 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,108 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:50,110 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,112 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,114 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,116 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,119 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,121 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,123 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,124 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,125 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:50,139 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:50,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,161 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:50,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:50,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:50,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:50,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:50,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:50,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:50,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:50,208 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:50,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:50,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:50,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:50,229 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:50,230 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:50,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,336 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,356 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,376 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:50,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1439166331] [2021-05-01 08:12:50,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1439166331] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:50,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:50,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-05-01 08:12:50,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329835224] [2021-05-01 08:12:50,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-01 08:12:50,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:50,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-01 08:12:50,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-05-01 08:12:50,378 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:50,689 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-05-01 08:12:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-01 08:12:50,689 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-05-01 08:12:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:50,690 INFO L225 Difference]: With dead ends: 27 [2021-05-01 08:12:50,690 INFO L226 Difference]: Without dead ends: 22 [2021-05-01 08:12:50,691 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 429.9ms TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2021-05-01 08:12:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-05-01 08:12:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-05-01 08:12:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-05-01 08:12:50,694 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2021-05-01 08:12:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:50,694 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-05-01 08:12:50,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:50,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-05-01 08:12:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-05-01 08:12:50,695 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:50,695 INFO L519 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:50,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-01 08:12:50,696 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:50,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1111781638, now seen corresponding path program 9 times [2021-05-01 08:12:50,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:50,696 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188315125] [2021-05-01 08:12:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:50,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:50,701 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_68 100) InVars {main_~i~0=v_main_~i~0_68} OutVars{main_~i~0=v_main_~i~0_68} AuxVars[] AssignedVars[] [2021-05-01 08:12:50,703 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:50,704 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,706 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,708 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:50,708 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:50,711 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,712 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:50,714 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,716 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,718 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,720 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,721 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,723 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,724 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,726 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,726 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:50,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:50,738 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:50,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,757 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:50,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:50,766 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:50,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:50,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:50,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:50,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:50,801 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:50,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:50,824 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:50,828 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:50,846 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,878 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,916 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,958 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,978 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:50,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:50,999 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:51,024 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:51,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188315125] [2021-05-01 08:12:51,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [188315125] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:51,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:51,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-05-01 08:12:51,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920094618] [2021-05-01 08:12:51,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-01 08:12:51,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:51,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-01 08:12:51,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-05-01 08:12:51,026 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:51,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:51,360 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2021-05-01 08:12:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-01 08:12:51,360 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-05-01 08:12:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:51,361 INFO L225 Difference]: With dead ends: 28 [2021-05-01 08:12:51,361 INFO L226 Difference]: Without dead ends: 23 [2021-05-01 08:12:51,361 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 493.2ms TimeCoverageRelationStatistics Valid=232, Invalid=524, Unknown=0, NotChecked=0, Total=756 [2021-05-01 08:12:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-05-01 08:12:51,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-05-01 08:12:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2021-05-01 08:12:51,365 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2021-05-01 08:12:51,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:51,365 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2021-05-01 08:12:51,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2021-05-01 08:12:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-01 08:12:51,366 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:51,366 INFO L519 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:51,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-01 08:12:51,366 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:51,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:51,366 INFO L82 PathProgramCache]: Analyzing trace with hash 140881240, now seen corresponding path program 10 times [2021-05-01 08:12:51,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:51,367 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586406455] [2021-05-01 08:12:51,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:51,371 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_80 100) InVars {main_~i~0=v_main_~i~0_80} OutVars{main_~i~0=v_main_~i~0_80} AuxVars[] AssignedVars[] [2021-05-01 08:12:51,373 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:51,375 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,377 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,379 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,381 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,383 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,383 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,386 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:51,388 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,388 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:51,390 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,391 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:51,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,394 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,395 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,396 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:51,408 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:51,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:51,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,425 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:51,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:51,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:51,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:51,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:51,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:51,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:51,471 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:51,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:51,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:51,491 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:51,492 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:51,509 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,524 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,541 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,577 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,620 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,641 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,664 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:51,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:51,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:51,687 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:51,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586406455] [2021-05-01 08:12:51,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1586406455] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:51,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:51,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-05-01 08:12:51,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276858457] [2021-05-01 08:12:51,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-01 08:12:51,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:51,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-01 08:12:51,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-05-01 08:12:51,689 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:52,081 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-05-01 08:12:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-01 08:12:52,081 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-05-01 08:12:52,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:52,083 INFO L225 Difference]: With dead ends: 29 [2021-05-01 08:12:52,083 INFO L226 Difference]: Without dead ends: 24 [2021-05-01 08:12:52,083 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 543.4ms TimeCoverageRelationStatistics Valid=270, Invalid=600, Unknown=0, NotChecked=0, Total=870 [2021-05-01 08:12:52,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-05-01 08:12:52,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-05-01 08:12:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-05-01 08:12:52,087 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2021-05-01 08:12:52,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:52,087 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-05-01 08:12:52,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-05-01 08:12:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-01 08:12:52,087 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:52,087 INFO L519 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:52,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-01 08:12:52,088 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:52,088 INFO L82 PathProgramCache]: Analyzing trace with hash 107739974, now seen corresponding path program 11 times [2021-05-01 08:12:52,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:52,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555343567] [2021-05-01 08:12:52,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:52,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:52,093 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_93 100) InVars {main_~i~0=v_main_~i~0_93} OutVars{main_~i~0=v_main_~i~0_93} AuxVars[] AssignedVars[] [2021-05-01 08:12:52,094 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:52,095 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,098 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,101 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:52,101 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:52,109 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:52,111 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,113 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,115 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,118 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,120 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,122 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,123 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,125 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,126 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,126 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:52,139 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:52,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,156 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:52,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:52,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:52,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:52,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:52,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:52,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:52,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:52,197 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:52,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:52,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:52,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:52,215 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:52,216 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:52,232 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,264 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,299 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,318 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,339 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,359 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,381 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,407 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:52,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,432 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:52,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555343567] [2021-05-01 08:12:52,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [555343567] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:52,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:52,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-05-01 08:12:52,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932389863] [2021-05-01 08:12:52,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-01 08:12:52,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:52,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-01 08:12:52,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-05-01 08:12:52,435 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:52,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:52,885 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-05-01 08:12:52,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-01 08:12:52,885 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-05-01 08:12:52,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:52,886 INFO L225 Difference]: With dead ends: 30 [2021-05-01 08:12:52,886 INFO L226 Difference]: Without dead ends: 25 [2021-05-01 08:12:52,886 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 607.3ms TimeCoverageRelationStatistics Valid=311, Invalid=681, Unknown=0, NotChecked=0, Total=992 [2021-05-01 08:12:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-05-01 08:12:52,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-05-01 08:12:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-05-01 08:12:52,891 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2021-05-01 08:12:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:52,891 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2021-05-01 08:12:52,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-05-01 08:12:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-05-01 08:12:52,892 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:52,892 INFO L519 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:52,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-01 08:12:52,892 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:52,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:52,892 INFO L82 PathProgramCache]: Analyzing trace with hash -919639272, now seen corresponding path program 12 times [2021-05-01 08:12:52,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:52,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695035521] [2021-05-01 08:12:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:52,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:52,897 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_107 100) InVars {main_~i~0=v_main_~i~0_107} OutVars{main_~i~0=v_main_~i~0_107} AuxVars[] AssignedVars[] [2021-05-01 08:12:52,899 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:52,901 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,904 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,906 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:52,906 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:52,908 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:52,910 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,913 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,914 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,916 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,918 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,919 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,921 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,922 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,924 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,925 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:52,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:52,938 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:52,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:52,964 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:52,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:52,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:52,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:52,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:52,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:52,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:52,998 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:52,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:52,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:53,017 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:53,018 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:53,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,048 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,063 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,080 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,098 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,120 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,139 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,158 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,222 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:53,244 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:53,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695035521] [2021-05-01 08:12:53,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1695035521] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:53,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:53,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-05-01 08:12:53,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630933178] [2021-05-01 08:12:53,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-01 08:12:53,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:53,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-01 08:12:53,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2021-05-01 08:12:53,245 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:53,724 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2021-05-01 08:12:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-01 08:12:53,725 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-05-01 08:12:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:53,725 INFO L225 Difference]: With dead ends: 31 [2021-05-01 08:12:53,725 INFO L226 Difference]: Without dead ends: 26 [2021-05-01 08:12:53,726 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 641.0ms TimeCoverageRelationStatistics Valid=355, Invalid=767, Unknown=0, NotChecked=0, Total=1122 [2021-05-01 08:12:53,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-01 08:12:53,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-05-01 08:12:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-05-01 08:12:53,730 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2021-05-01 08:12:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:53,730 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-05-01 08:12:53,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-05-01 08:12:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-05-01 08:12:53,730 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:53,730 INFO L519 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:53,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-01 08:12:53,731 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:53,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:53,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1591342470, now seen corresponding path program 13 times [2021-05-01 08:12:53,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:53,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899931799] [2021-05-01 08:12:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:53,734 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_122 100) InVars {main_~i~0=v_main_~i~0_122} OutVars{main_~i~0=v_main_~i~0_122} AuxVars[] AssignedVars[] [2021-05-01 08:12:53,735 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:53,736 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,739 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,741 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:53,742 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:53,743 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:53,746 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,748 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,750 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,753 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,755 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,756 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,758 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,760 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,762 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,762 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:53,774 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,796 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:53,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:53,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:53,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:53,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:53,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:53,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:53,837 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:53,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:53,855 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:53,857 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:53,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,889 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,904 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,943 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:53,983 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:53,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,002 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,022 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,088 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:54,111 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:54,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899931799] [2021-05-01 08:12:54,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1899931799] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:54,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:54,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-05-01 08:12:54,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169569370] [2021-05-01 08:12:54,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-01 08:12:54,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:54,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-01 08:12:54,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2021-05-01 08:12:54,113 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:54,594 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-05-01 08:12:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-01 08:12:54,595 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-05-01 08:12:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:54,595 INFO L225 Difference]: With dead ends: 32 [2021-05-01 08:12:54,595 INFO L226 Difference]: Without dead ends: 27 [2021-05-01 08:12:54,596 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 675.0ms TimeCoverageRelationStatistics Valid=402, Invalid=858, Unknown=0, NotChecked=0, Total=1260 [2021-05-01 08:12:54,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-05-01 08:12:54,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-05-01 08:12:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2021-05-01 08:12:54,600 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2021-05-01 08:12:54,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:54,601 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2021-05-01 08:12:54,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2021-05-01 08:12:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-01 08:12:54,601 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:54,601 INFO L519 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:54,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-01 08:12:54,601 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:54,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:54,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2122365144, now seen corresponding path program 14 times [2021-05-01 08:12:54,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:54,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063154885] [2021-05-01 08:12:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:54,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:54,608 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_138 100) InVars {main_~i~0=v_main_~i~0_138} OutVars{main_~i~0=v_main_~i~0_138} AuxVars[] AssignedVars[] [2021-05-01 08:12:54,609 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:54,610 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,612 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:54,614 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,615 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:54,617 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:54,619 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,621 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,623 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,625 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,627 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,629 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,630 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,632 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,634 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,634 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:54,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:54,649 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:54,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:54,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,666 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:54,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:54,675 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:54,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:54,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:54,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:54,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:54,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:54,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:54,708 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:54,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:54,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:54,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:54,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:54,725 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:54,725 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:54,742 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,772 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,789 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,807 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,827 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,846 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,891 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,938 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:54,987 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:55,014 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:55,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063154885] [2021-05-01 08:12:55,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1063154885] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:55,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:55,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-05-01 08:12:55,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234067160] [2021-05-01 08:12:55,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-01 08:12:55,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:55,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-01 08:12:55,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2021-05-01 08:12:55,016 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:55,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:55,551 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2021-05-01 08:12:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-01 08:12:55,551 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.1) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-05-01 08:12:55,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:55,552 INFO L225 Difference]: With dead ends: 33 [2021-05-01 08:12:55,552 INFO L226 Difference]: Without dead ends: 28 [2021-05-01 08:12:55,552 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 772.0ms TimeCoverageRelationStatistics Valid=452, Invalid=954, Unknown=0, NotChecked=0, Total=1406 [2021-05-01 08:12:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-05-01 08:12:55,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-05-01 08:12:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2021-05-01 08:12:55,557 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2021-05-01 08:12:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:55,557 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2021-05-01 08:12:55,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 20 states have (on average 1.1) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2021-05-01 08:12:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-05-01 08:12:55,558 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:55,558 INFO L519 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:55,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-01 08:12:55,558 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:55,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:55,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1404198854, now seen corresponding path program 15 times [2021-05-01 08:12:55,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:55,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795641694] [2021-05-01 08:12:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:55,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:55,563 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_155 100) InVars {main_~i~0=v_main_~i~0_155} OutVars{main_~i~0=v_main_~i~0_155} AuxVars[] AssignedVars[] [2021-05-01 08:12:55,564 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:55,565 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,569 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,572 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:55,573 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:55,576 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:55,578 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,580 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,583 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,585 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,587 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,589 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,591 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,592 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,594 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,595 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:55,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:55,609 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:55,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:55,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,631 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:55,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:55,639 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:55,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:55,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:55,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:55,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:55,672 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:55,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:55,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:55,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:55,689 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:55,690 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:55,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,722 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,737 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,754 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,773 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,903 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:55,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:56,008 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:56,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795641694] [2021-05-01 08:12:56,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1795641694] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:56,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:56,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-01 08:12:56,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419626220] [2021-05-01 08:12:56,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-01 08:12:56,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:56,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-01 08:12:56,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=368, Unknown=0, NotChecked=0, Total=552 [2021-05-01 08:12:56,010 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:56,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:56,580 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-05-01 08:12:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-01 08:12:56,581 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-05-01 08:12:56,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:56,581 INFO L225 Difference]: With dead ends: 34 [2021-05-01 08:12:56,581 INFO L226 Difference]: Without dead ends: 29 [2021-05-01 08:12:56,582 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 817.9ms TimeCoverageRelationStatistics Valid=505, Invalid=1055, Unknown=0, NotChecked=0, Total=1560 [2021-05-01 08:12:56,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-05-01 08:12:56,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-05-01 08:12:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2021-05-01 08:12:56,586 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2021-05-01 08:12:56,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:56,586 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2021-05-01 08:12:56,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2021-05-01 08:12:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-01 08:12:56,587 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:56,587 INFO L519 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:56,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-01 08:12:56,587 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:56,588 INFO L82 PathProgramCache]: Analyzing trace with hash 615880344, now seen corresponding path program 16 times [2021-05-01 08:12:56,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:56,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989914343] [2021-05-01 08:12:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:56,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:56,591 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_173 100) InVars {main_~i~0=v_main_~i~0_173} OutVars{main_~i~0=v_main_~i~0_173} AuxVars[] AssignedVars[] [2021-05-01 08:12:56,594 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:56,601 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,603 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,606 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,607 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,609 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,609 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,612 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,614 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:56,614 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:56,616 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:56,618 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,619 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,621 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,622 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,623 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:56,637 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:56,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:56,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,654 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:56,663 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:56,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:56,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:56,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:56,695 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:56,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:56,712 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:56,713 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:56,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,744 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,834 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,855 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,899 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,923 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,948 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:56,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:56,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:57,056 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:57,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989914343] [2021-05-01 08:12:57,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [989914343] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:57,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:57,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-05-01 08:12:57,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207592876] [2021-05-01 08:12:57,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-01 08:12:57,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:57,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-01 08:12:57,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=397, Unknown=0, NotChecked=0, Total=600 [2021-05-01 08:12:57,057 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:57,686 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2021-05-01 08:12:57,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-01 08:12:57,686 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-05-01 08:12:57,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:57,687 INFO L225 Difference]: With dead ends: 35 [2021-05-01 08:12:57,687 INFO L226 Difference]: Without dead ends: 30 [2021-05-01 08:12:57,687 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 887.5ms TimeCoverageRelationStatistics Valid=561, Invalid=1161, Unknown=0, NotChecked=0, Total=1722 [2021-05-01 08:12:57,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-05-01 08:12:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-05-01 08:12:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-05-01 08:12:57,691 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2021-05-01 08:12:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:57,691 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-05-01 08:12:57,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-05-01 08:12:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-01 08:12:57,692 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:57,692 INFO L519 BasicCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:57,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-01 08:12:57,692 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:57,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:57,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1947810310, now seen corresponding path program 17 times [2021-05-01 08:12:57,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:57,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045652796] [2021-05-01 08:12:57,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:57,697 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_192 100) InVars {main_~i~0=v_main_~i~0_192} OutVars{main_~i~0=v_main_~i~0_192} AuxVars[] AssignedVars[] [2021-05-01 08:12:57,699 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:57,699 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,702 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,705 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:57,705 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:57,708 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,710 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,713 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:57,715 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,718 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,720 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,722 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,724 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,725 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,727 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,728 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:57,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:57,742 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:57,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:57,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,763 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:57,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:57,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:57,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:57,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:57,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:57,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:57,806 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:12:57,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:57,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:57,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:12:57,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:12:57,824 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:12:57,833 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:57,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,897 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,932 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,970 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:57,990 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,011 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,033 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,055 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,079 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,105 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,133 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,163 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:58,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:58,191 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:58,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045652796] [2021-05-01 08:12:58,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2045652796] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:58,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:58,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-05-01 08:12:58,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409166214] [2021-05-01 08:12:58,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-01 08:12:58,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:58,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-01 08:12:58,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=427, Unknown=0, NotChecked=0, Total=650 [2021-05-01 08:12:58,192 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:58,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:12:58,889 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2021-05-01 08:12:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-01 08:12:58,890 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-05-01 08:12:58,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:12:58,890 INFO L225 Difference]: With dead ends: 36 [2021-05-01 08:12:58,890 INFO L226 Difference]: Without dead ends: 31 [2021-05-01 08:12:58,891 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 965.3ms TimeCoverageRelationStatistics Valid=620, Invalid=1272, Unknown=0, NotChecked=0, Total=1892 [2021-05-01 08:12:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-05-01 08:12:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-05-01 08:12:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2021-05-01 08:12:58,894 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2021-05-01 08:12:58,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:12:58,894 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2021-05-01 08:12:58,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:12:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2021-05-01 08:12:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-05-01 08:12:58,895 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:12:58,895 INFO L519 BasicCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:12:58,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-01 08:12:58,895 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:12:58,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:12:58,895 INFO L82 PathProgramCache]: Analyzing trace with hash 287966296, now seen corresponding path program 18 times [2021-05-01 08:12:58,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:12:58,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642995743] [2021-05-01 08:12:58,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:12:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:12:58,902 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_212 100) InVars {main_~i~0=v_main_~i~0_212} OutVars{main_~i~0=v_main_~i~0_212} AuxVars[] AssignedVars[] [2021-05-01 08:12:58,903 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:12:58,904 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,907 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:58,909 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,909 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:12:58,911 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:12:58,913 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,915 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,916 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,918 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,920 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,921 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,923 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,925 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,927 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,927 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:12:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:12:58,941 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:12:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:58,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:58,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:12:58,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:12:58,965 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:12:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:12:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:12:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:58,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:12:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:12:58,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:58,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:12:58,998 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:12:58,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:12:59,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:59,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:12:59,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:12:59,022 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:12:59,023 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:12:59,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,056 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,072 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,089 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,108 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,167 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,189 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,211 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,235 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,259 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,311 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,337 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,389 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:12:59,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:12:59,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:12:59,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:12:59,417 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:12:59,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642995743] [2021-05-01 08:12:59,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1642995743] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:12:59,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:12:59,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-05-01 08:12:59,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088130722] [2021-05-01 08:12:59,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-01 08:12:59,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:12:59,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-01 08:12:59,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=458, Unknown=0, NotChecked=0, Total=702 [2021-05-01 08:12:59,419 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:00,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:00,176 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2021-05-01 08:13:00,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-01 08:13:00,177 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-05-01 08:13:00,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:00,177 INFO L225 Difference]: With dead ends: 37 [2021-05-01 08:13:00,177 INFO L226 Difference]: Without dead ends: 32 [2021-05-01 08:13:00,178 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1057.7ms TimeCoverageRelationStatistics Valid=682, Invalid=1388, Unknown=0, NotChecked=0, Total=2070 [2021-05-01 08:13:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-05-01 08:13:00,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-05-01 08:13:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-05-01 08:13:00,184 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2021-05-01 08:13:00,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:00,184 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-05-01 08:13:00,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-05-01 08:13:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-05-01 08:13:00,184 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:00,184 INFO L519 BasicCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:00,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-01 08:13:00,185 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:00,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:00,185 INFO L82 PathProgramCache]: Analyzing trace with hash 372409414, now seen corresponding path program 19 times [2021-05-01 08:13:00,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:00,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823361639] [2021-05-01 08:13:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:00,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:00,195 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_233 100) InVars {main_~i~0=v_main_~i~0_233} OutVars{main_~i~0=v_main_~i~0_233} AuxVars[] AssignedVars[] [2021-05-01 08:13:00,198 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:00,201 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,203 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,205 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,209 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,211 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,212 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,215 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,217 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:00,218 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:00,221 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,224 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,226 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,228 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:00,229 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,230 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:00,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:00,244 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:00,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:00,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,268 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:00,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:00,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:00,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:00,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:00,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:00,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:00,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:00,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:00,316 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:00,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:00,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:00,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:00,336 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:00,339 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:00,357 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,373 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,393 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,411 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,431 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,472 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,516 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,585 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,610 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,634 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,725 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,754 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:00,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:00,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:00,783 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:00,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823361639] [2021-05-01 08:13:00,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1823361639] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:00,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:00,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-05-01 08:13:00,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014117375] [2021-05-01 08:13:00,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-01 08:13:00,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:00,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-01 08:13:00,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=490, Unknown=0, NotChecked=0, Total=756 [2021-05-01 08:13:00,785 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 24 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:01,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:01,530 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2021-05-01 08:13:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-01 08:13:01,531 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.08) internal successors, (27), 24 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-05-01 08:13:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:01,531 INFO L225 Difference]: With dead ends: 38 [2021-05-01 08:13:01,531 INFO L226 Difference]: Without dead ends: 33 [2021-05-01 08:13:01,532 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1100.0ms TimeCoverageRelationStatistics Valid=747, Invalid=1509, Unknown=0, NotChecked=0, Total=2256 [2021-05-01 08:13:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-05-01 08:13:01,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-05-01 08:13:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2021-05-01 08:13:01,537 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2021-05-01 08:13:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:01,537 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2021-05-01 08:13:01,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 25 states have (on average 1.08) internal successors, (27), 24 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2021-05-01 08:13:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-01 08:13:01,538 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:01,538 INFO L519 BasicCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:01,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-01 08:13:01,538 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:01,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:01,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1304821224, now seen corresponding path program 20 times [2021-05-01 08:13:01,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:01,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60003802] [2021-05-01 08:13:01,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:01,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:01,544 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_255 100) InVars {main_~i~0=v_main_~i~0_255} OutVars{main_~i~0=v_main_~i~0_255} AuxVars[] AssignedVars[] [2021-05-01 08:13:01,550 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:01,553 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,555 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,557 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,559 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,561 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,562 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,566 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:01,568 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,568 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:01,572 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,573 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:01,576 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,578 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,580 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,581 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:01,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:01,594 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:01,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:01,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:01,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:01,626 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:01,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:01,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:01,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:01,665 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:01,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:01,685 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:01,686 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:01,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,727 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,743 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,793 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,813 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,853 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,896 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,943 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,969 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:01,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:01,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:02,022 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:02,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:02,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:02,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:02,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:02,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:02,116 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:02,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:02,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:02,146 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:02,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60003802] [2021-05-01 08:13:02,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [60003802] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:02,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:02,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-05-01 08:13:02,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227130664] [2021-05-01 08:13:02,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-01 08:13:02,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:02,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-01 08:13:02,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=523, Unknown=0, NotChecked=0, Total=812 [2021-05-01 08:13:02,147 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 25 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:02,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:02,897 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2021-05-01 08:13:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-01 08:13:02,898 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 25 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-05-01 08:13:02,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:02,898 INFO L225 Difference]: With dead ends: 39 [2021-05-01 08:13:02,898 INFO L226 Difference]: Without dead ends: 34 [2021-05-01 08:13:02,899 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1153.8ms TimeCoverageRelationStatistics Valid=815, Invalid=1635, Unknown=0, NotChecked=0, Total=2450 [2021-05-01 08:13:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-01 08:13:02,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-05-01 08:13:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2021-05-01 08:13:02,904 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2021-05-01 08:13:02,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:02,904 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2021-05-01 08:13:02,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 25 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2021-05-01 08:13:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-01 08:13:02,905 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:02,905 INFO L519 BasicCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:02,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-01 08:13:02,907 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1759363450, now seen corresponding path program 21 times [2021-05-01 08:13:02,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:02,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209425532] [2021-05-01 08:13:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:02,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:02,912 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_278 100) InVars {main_~i~0=v_main_~i~0_278} OutVars{main_~i~0=v_main_~i~0_278} AuxVars[] AssignedVars[] [2021-05-01 08:13:02,914 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:02,915 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,921 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:02,923 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,924 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:02,927 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:02,929 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,931 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,934 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,936 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,938 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,940 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,942 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,944 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,946 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,947 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:02,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:02,960 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:02,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:02,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:02,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:02,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:03,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:03,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:03,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:03,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:03,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:03,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:03,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:03,044 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:03,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:03,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:03,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:03,066 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:03,072 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:03,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,142 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,199 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,219 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,240 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,286 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,310 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,339 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,413 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,439 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,467 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,513 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,542 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:03,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:03,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:03,572 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:03,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209425532] [2021-05-01 08:13:03,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [209425532] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:03,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:03,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-05-01 08:13:03,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120667635] [2021-05-01 08:13:03,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-01 08:13:03,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:03,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-01 08:13:03,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=557, Unknown=0, NotChecked=0, Total=870 [2021-05-01 08:13:03,573 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 26 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:04,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:04,380 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2021-05-01 08:13:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-01 08:13:04,380 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 26 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2021-05-01 08:13:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:04,381 INFO L225 Difference]: With dead ends: 40 [2021-05-01 08:13:04,381 INFO L226 Difference]: Without dead ends: 35 [2021-05-01 08:13:04,381 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1203.8ms TimeCoverageRelationStatistics Valid=886, Invalid=1766, Unknown=0, NotChecked=0, Total=2652 [2021-05-01 08:13:04,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-01 08:13:04,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-05-01 08:13:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2021-05-01 08:13:04,386 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2021-05-01 08:13:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:04,386 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2021-05-01 08:13:04,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 26 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2021-05-01 08:13:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-05-01 08:13:04,387 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:04,387 INFO L519 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:04,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-01 08:13:04,387 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:04,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1329696728, now seen corresponding path program 22 times [2021-05-01 08:13:04,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:04,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000472990] [2021-05-01 08:13:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:04,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:04,395 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_302 100) InVars {main_~i~0=v_main_~i~0_302} OutVars{main_~i~0=v_main_~i~0_302} AuxVars[] AssignedVars[] [2021-05-01 08:13:04,396 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:04,399 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,401 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,402 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,404 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,405 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,406 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,409 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:04,411 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,412 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:04,414 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,415 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:04,418 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,419 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,421 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,422 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:04,442 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:04,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,468 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:04,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:04,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:04,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:04,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:04,511 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:04,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:04,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:04,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:04,533 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:04,534 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:04,547 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,557 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,568 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,590 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,603 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,620 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,634 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,648 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,662 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,678 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,730 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,749 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,767 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,786 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,806 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,826 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:04,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:04,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:04,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:04,899 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:04,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000472990] [2021-05-01 08:13:04,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1000472990] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:04,899 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:04,899 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-05-01 08:13:04,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371418350] [2021-05-01 08:13:04,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-01 08:13:04,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:04,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-01 08:13:04,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=592, Unknown=0, NotChecked=0, Total=930 [2021-05-01 08:13:04,900 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:05,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:05,702 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-05-01 08:13:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-01 08:13:05,702 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-05-01 08:13:05,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:05,702 INFO L225 Difference]: With dead ends: 41 [2021-05-01 08:13:05,702 INFO L226 Difference]: Without dead ends: 36 [2021-05-01 08:13:05,703 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1089.9ms TimeCoverageRelationStatistics Valid=960, Invalid=1902, Unknown=0, NotChecked=0, Total=2862 [2021-05-01 08:13:05,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-05-01 08:13:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-05-01 08:13:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2021-05-01 08:13:05,707 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2021-05-01 08:13:05,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:05,707 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2021-05-01 08:13:05,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2021-05-01 08:13:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-05-01 08:13:05,707 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:05,707 INFO L519 BasicCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:05,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-01 08:13:05,708 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:05,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:05,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1693685562, now seen corresponding path program 23 times [2021-05-01 08:13:05,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:05,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261699288] [2021-05-01 08:13:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:05,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:05,712 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_327 100) InVars {main_~i~0=v_main_~i~0_327} OutVars{main_~i~0=v_main_~i~0_327} AuxVars[] AssignedVars[] [2021-05-01 08:13:05,713 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:05,714 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,716 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:05,718 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,718 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:05,720 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:05,721 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,723 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,725 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,727 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,728 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,730 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,731 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,733 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,734 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,735 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:05,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:05,748 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:05,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:05,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,762 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:05,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:05,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:05,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:05,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:05,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:05,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:05,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:05,802 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:05,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:05,820 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:05,820 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:05,837 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,867 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,885 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,903 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,922 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,961 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:05,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:05,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,002 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,023 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,045 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,068 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,142 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,195 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,287 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,319 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:06,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:06,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:06,351 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:06,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261699288] [2021-05-01 08:13:06,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [261699288] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:06,351 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:06,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-01 08:13:06,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625560389] [2021-05-01 08:13:06,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-01 08:13:06,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:06,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-01 08:13:06,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=628, Unknown=0, NotChecked=0, Total=992 [2021-05-01 08:13:06,352 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 28 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:07,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:07,265 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2021-05-01 08:13:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-01 08:13:07,265 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 28 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2021-05-01 08:13:07,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:07,266 INFO L225 Difference]: With dead ends: 42 [2021-05-01 08:13:07,266 INFO L226 Difference]: Without dead ends: 37 [2021-05-01 08:13:07,267 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 1335.0ms TimeCoverageRelationStatistics Valid=1037, Invalid=2043, Unknown=0, NotChecked=0, Total=3080 [2021-05-01 08:13:07,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-05-01 08:13:07,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-05-01 08:13:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2021-05-01 08:13:07,271 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2021-05-01 08:13:07,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:07,271 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2021-05-01 08:13:07,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 28 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2021-05-01 08:13:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-05-01 08:13:07,271 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:07,271 INFO L519 BasicCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:07,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-01 08:13:07,271 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:07,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:07,272 INFO L82 PathProgramCache]: Analyzing trace with hash -929256040, now seen corresponding path program 24 times [2021-05-01 08:13:07,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:07,272 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640987998] [2021-05-01 08:13:07,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:07,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:07,277 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_353 100) InVars {main_~i~0=v_main_~i~0_353} OutVars{main_~i~0=v_main_~i~0_353} AuxVars[] AssignedVars[] [2021-05-01 08:13:07,278 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:07,279 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,281 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,283 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:07,284 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:07,285 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:07,288 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,290 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,293 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,295 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,297 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,299 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,301 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,303 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,305 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,305 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:07,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:07,318 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:07,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:07,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,335 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:07,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:07,344 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:07,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:07,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:07,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:07,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:07,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:07,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:07,379 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:07,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:07,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:07,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:07,399 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:07,400 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:07,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,434 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,451 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,470 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,488 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,507 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,527 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,548 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,569 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,590 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,612 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,637 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,736 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,763 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,797 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,854 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,949 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:07,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:07,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:07,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:07,983 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:07,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640987998] [2021-05-01 08:13:07,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [640987998] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:07,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:07,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-01 08:13:07,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632544845] [2021-05-01 08:13:07,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-01 08:13:07,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:07,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-01 08:13:07,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=665, Unknown=0, NotChecked=0, Total=1056 [2021-05-01 08:13:07,985 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 31 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 29 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:08,869 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2021-05-01 08:13:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-01 08:13:08,870 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 29 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2021-05-01 08:13:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:08,870 INFO L225 Difference]: With dead ends: 43 [2021-05-01 08:13:08,870 INFO L226 Difference]: Without dead ends: 38 [2021-05-01 08:13:08,871 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1339.4ms TimeCoverageRelationStatistics Valid=1117, Invalid=2189, Unknown=0, NotChecked=0, Total=3306 [2021-05-01 08:13:08,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-01 08:13:08,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-05-01 08:13:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2021-05-01 08:13:08,875 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2021-05-01 08:13:08,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:08,875 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2021-05-01 08:13:08,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 29 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2021-05-01 08:13:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-01 08:13:08,876 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:08,876 INFO L519 BasicCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:08,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-01 08:13:08,876 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:08,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:08,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1293222662, now seen corresponding path program 25 times [2021-05-01 08:13:08,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:08,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481928703] [2021-05-01 08:13:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:08,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:08,881 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_380 100) InVars {main_~i~0=v_main_~i~0_380} OutVars{main_~i~0=v_main_~i~0_380} AuxVars[] AssignedVars[] [2021-05-01 08:13:08,897 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:08,899 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,901 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,902 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,903 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,904 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,904 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,906 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,908 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:08,908 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:08,909 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,911 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,912 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:08,913 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,914 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,915 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:08,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:08,924 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:08,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:08,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:08,947 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:08,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:08,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:08,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:08,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:08,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:08,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:08,982 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:08,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:08,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:08,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:08,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:08,998 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:08,999 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:09,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,035 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,047 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,087 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,102 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,134 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,174 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,216 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,288 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,314 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,368 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,396 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,427 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,456 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,488 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:09,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:09,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:09,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:09,523 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:09,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481928703] [2021-05-01 08:13:09,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [481928703] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:09,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:09,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-05-01 08:13:09,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444017820] [2021-05-01 08:13:09,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-01 08:13:09,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:09,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-01 08:13:09,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=703, Unknown=0, NotChecked=0, Total=1122 [2021-05-01 08:13:09,524 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 30 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:10,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:10,555 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2021-05-01 08:13:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-05-01 08:13:10,555 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 30 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2021-05-01 08:13:10,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:10,556 INFO L225 Difference]: With dead ends: 44 [2021-05-01 08:13:10,556 INFO L226 Difference]: Without dead ends: 39 [2021-05-01 08:13:10,557 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1397.8ms TimeCoverageRelationStatistics Valid=1200, Invalid=2340, Unknown=0, NotChecked=0, Total=3540 [2021-05-01 08:13:10,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-05-01 08:13:10,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-05-01 08:13:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-05-01 08:13:10,562 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2021-05-01 08:13:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:10,562 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-05-01 08:13:10,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 30 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-05-01 08:13:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-01 08:13:10,562 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:10,563 INFO L519 BasicCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:10,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-01 08:13:10,563 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:10,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1470585688, now seen corresponding path program 26 times [2021-05-01 08:13:10,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:10,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55376508] [2021-05-01 08:13:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:10,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:10,570 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_408 100) InVars {main_~i~0=v_main_~i~0_408} OutVars{main_~i~0=v_main_~i~0_408} AuxVars[] AssignedVars[] [2021-05-01 08:13:10,573 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:10,573 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,576 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:10,578 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,578 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:10,580 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,582 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:10,583 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,585 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,587 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,588 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,590 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,591 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,593 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,594 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,595 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:10,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:10,609 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:10,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:10,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,638 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:10,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:10,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:10,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:10,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:10,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:10,680 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:10,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:10,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:10,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:10,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:10,700 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:10,701 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:10,725 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,739 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,780 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,824 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,841 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,887 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,913 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,944 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,966 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:10,998 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,022 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,139 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,177 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,212 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,241 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,282 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,323 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,354 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,397 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,438 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:11,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:11,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:11,480 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:11,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55376508] [2021-05-01 08:13:11,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [55376508] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:11,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:11,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-05-01 08:13:11,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89638345] [2021-05-01 08:13:11,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-01 08:13:11,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:11,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-01 08:13:11,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=448, Invalid=742, Unknown=0, NotChecked=0, Total=1190 [2021-05-01 08:13:11,482 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 33 states, 32 states have (on average 1.0625) internal successors, (34), 31 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:12,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:12,509 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2021-05-01 08:13:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-01 08:13:12,509 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 1.0625) internal successors, (34), 31 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2021-05-01 08:13:12,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:12,509 INFO L225 Difference]: With dead ends: 45 [2021-05-01 08:13:12,509 INFO L226 Difference]: Without dead ends: 40 [2021-05-01 08:13:12,511 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1680.8ms TimeCoverageRelationStatistics Valid=1286, Invalid=2496, Unknown=0, NotChecked=0, Total=3782 [2021-05-01 08:13:12,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-05-01 08:13:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-05-01 08:13:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2021-05-01 08:13:12,516 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2021-05-01 08:13:12,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:12,516 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2021-05-01 08:13:12,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 32 states have (on average 1.0625) internal successors, (34), 31 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2021-05-01 08:13:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-01 08:13:12,517 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:12,517 INFO L519 BasicCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:12,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-01 08:13:12,517 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:12,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1621095098, now seen corresponding path program 27 times [2021-05-01 08:13:12,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:12,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539292106] [2021-05-01 08:13:12,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:12,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:12,523 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_437 100) InVars {main_~i~0=v_main_~i~0_437} OutVars{main_~i~0=v_main_~i~0_437} AuxVars[] AssignedVars[] [2021-05-01 08:13:12,524 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:12,526 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,528 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,529 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,531 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,532 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,533 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,535 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,537 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:12,537 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:12,539 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:12,541 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,542 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,544 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,545 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,545 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:12,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:12,557 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:12,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:12,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,593 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:12,602 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:12,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:12,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:12,635 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:12,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:12,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:12,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:12,653 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:12,654 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:12,679 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,693 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,731 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,749 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,765 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,783 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,801 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,839 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,860 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,903 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,949 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,972 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:12,997 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:12,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,022 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,048 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,111 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,214 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:13,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:13,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:13,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:13,320 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:13,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539292106] [2021-05-01 08:13:13,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [539292106] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:13,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:13,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-05-01 08:13:13,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013114819] [2021-05-01 08:13:13,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-05-01 08:13:13,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:13,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-05-01 08:13:13,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=782, Unknown=0, NotChecked=0, Total=1260 [2021-05-01 08:13:13,322 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 34 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 32 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:14,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:14,485 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2021-05-01 08:13:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-05-01 08:13:14,486 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 32 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2021-05-01 08:13:14,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:14,486 INFO L225 Difference]: With dead ends: 46 [2021-05-01 08:13:14,486 INFO L226 Difference]: Without dead ends: 41 [2021-05-01 08:13:14,487 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1681.7ms TimeCoverageRelationStatistics Valid=1375, Invalid=2657, Unknown=0, NotChecked=0, Total=4032 [2021-05-01 08:13:14,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-05-01 08:13:14,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-05-01 08:13:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2021-05-01 08:13:14,491 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2021-05-01 08:13:14,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:14,491 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2021-05-01 08:13:14,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 32 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2021-05-01 08:13:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-01 08:13:14,492 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:14,492 INFO L519 BasicCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:14,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-01 08:13:14,492 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:14,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:14,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1321048344, now seen corresponding path program 28 times [2021-05-01 08:13:14,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:14,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387607840] [2021-05-01 08:13:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:14,496 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_467 100) InVars {main_~i~0=v_main_~i~0_467} OutVars{main_~i~0=v_main_~i~0_467} AuxVars[] AssignedVars[] [2021-05-01 08:13:14,497 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:14,499 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,501 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,503 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,505 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,507 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,508 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,510 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,513 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:14,513 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:14,516 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:14,519 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,520 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,522 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,524 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,525 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:14,540 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:14,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:14,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,555 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:14,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:14,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:14,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:14,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:14,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:14,598 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:14,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:14,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:14,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:14,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:14,616 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:14,617 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:14,635 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,668 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,686 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,710 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,751 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,773 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,819 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,891 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,968 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:14,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:14,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,053 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,114 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,212 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,247 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,283 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,319 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:15,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:15,357 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:15,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387607840] [2021-05-01 08:13:15,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [387607840] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:15,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:15,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-05-01 08:13:15,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736475059] [2021-05-01 08:13:15,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-01 08:13:15,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:15,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-01 08:13:15,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=823, Unknown=0, NotChecked=0, Total=1332 [2021-05-01 08:13:15,359 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:16,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:16,574 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2021-05-01 08:13:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-01 08:13:16,575 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2021-05-01 08:13:16,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:16,576 INFO L225 Difference]: With dead ends: 47 [2021-05-01 08:13:16,576 INFO L226 Difference]: Without dead ends: 42 [2021-05-01 08:13:16,577 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 1812.4ms TimeCoverageRelationStatistics Valid=1467, Invalid=2823, Unknown=0, NotChecked=0, Total=4290 [2021-05-01 08:13:16,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-05-01 08:13:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-05-01 08:13:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2021-05-01 08:13:16,581 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2021-05-01 08:13:16,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:16,581 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2021-05-01 08:13:16,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2021-05-01 08:13:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-01 08:13:16,581 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:16,582 INFO L519 BasicCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:16,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-01 08:13:16,582 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:16,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:16,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1961785466, now seen corresponding path program 29 times [2021-05-01 08:13:16,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:16,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71761355] [2021-05-01 08:13:16,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:16,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:16,586 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_498 100) InVars {main_~i~0=v_main_~i~0_498} OutVars{main_~i~0=v_main_~i~0_498} AuxVars[] AssignedVars[] [2021-05-01 08:13:16,587 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:16,588 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,590 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:16,593 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,593 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:16,596 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:16,598 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,600 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,602 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,604 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,606 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,608 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,610 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,611 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,613 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,613 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:16,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:16,628 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:16,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,644 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:16,652 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:16,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:16,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:16,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:16,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:16,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:16,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:16,683 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:16,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:16,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:16,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:16,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:16,700 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:16,701 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:16,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,750 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,807 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,848 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,912 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,936 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,961 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:16,985 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,102 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,131 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,162 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,259 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,292 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,327 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:17,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:17,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:17,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:17,475 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:17,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71761355] [2021-05-01 08:13:17,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [71761355] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:17,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:17,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-01 08:13:17,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737983539] [2021-05-01 08:13:17,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-01 08:13:17,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:17,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-01 08:13:17,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=865, Unknown=0, NotChecked=0, Total=1406 [2021-05-01 08:13:17,476 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 36 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 34 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:18,678 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2021-05-01 08:13:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-01 08:13:18,678 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 34 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2021-05-01 08:13:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:18,679 INFO L225 Difference]: With dead ends: 48 [2021-05-01 08:13:18,679 INFO L226 Difference]: Without dead ends: 43 [2021-05-01 08:13:18,680 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1874.2ms TimeCoverageRelationStatistics Valid=1562, Invalid=2994, Unknown=0, NotChecked=0, Total=4556 [2021-05-01 08:13:18,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-05-01 08:13:18,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-05-01 08:13:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2021-05-01 08:13:18,684 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2021-05-01 08:13:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:18,684 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2021-05-01 08:13:18,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 34 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2021-05-01 08:13:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-05-01 08:13:18,684 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:18,685 INFO L519 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:18,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-01 08:13:18,685 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:18,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:18,685 INFO L82 PathProgramCache]: Analyzing trace with hash -650418472, now seen corresponding path program 30 times [2021-05-01 08:13:18,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:18,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932669814] [2021-05-01 08:13:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:18,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:18,689 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_530 100) InVars {main_~i~0=v_main_~i~0_530} OutVars{main_~i~0=v_main_~i~0_530} AuxVars[] AssignedVars[] [2021-05-01 08:13:18,690 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:18,691 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,694 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:18,695 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,696 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:18,697 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:18,700 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,701 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,703 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,704 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,706 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,707 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,709 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,710 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,711 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,712 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:18,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:18,723 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:18,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:18,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,760 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:18,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:18,768 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:18,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:18,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:18,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:18,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:18,799 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:18,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:18,815 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:18,816 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:18,831 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,865 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,893 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,937 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,972 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:18,996 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:18,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,016 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,115 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,138 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,170 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,195 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,221 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,258 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,287 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,315 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,376 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,412 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,460 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,498 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,535 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:19,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:19,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:19,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:19,614 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:19,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932669814] [2021-05-01 08:13:19,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1932669814] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:19,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:19,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-05-01 08:13:19,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337418625] [2021-05-01 08:13:19,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-01 08:13:19,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:19,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-01 08:13:19,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=908, Unknown=0, NotChecked=0, Total=1482 [2021-05-01 08:13:19,615 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 37 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 35 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:21,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:21,002 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2021-05-01 08:13:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-01 08:13:21,003 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 35 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2021-05-01 08:13:21,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:21,003 INFO L225 Difference]: With dead ends: 49 [2021-05-01 08:13:21,003 INFO L226 Difference]: Without dead ends: 44 [2021-05-01 08:13:21,004 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 2015.0ms TimeCoverageRelationStatistics Valid=1660, Invalid=3170, Unknown=0, NotChecked=0, Total=4830 [2021-05-01 08:13:21,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-05-01 08:13:21,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-05-01 08:13:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2021-05-01 08:13:21,008 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2021-05-01 08:13:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:21,008 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2021-05-01 08:13:21,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 35 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2021-05-01 08:13:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-05-01 08:13:21,009 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:21,009 INFO L519 BasicCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:21,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-01 08:13:21,009 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:21,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:21,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1347252678, now seen corresponding path program 31 times [2021-05-01 08:13:21,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:21,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836993936] [2021-05-01 08:13:21,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:21,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:21,014 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_563 100) InVars {main_~i~0=v_main_~i~0_563} OutVars{main_~i~0=v_main_~i~0_563} AuxVars[] AssignedVars[] [2021-05-01 08:13:21,016 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:21,018 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,021 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,023 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,024 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,026 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,026 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,029 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,031 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:21,032 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:21,034 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,035 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,037 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,039 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:21,042 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,043 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:21,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:21,058 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:21,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:21,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,074 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:21,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:21,083 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:21,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:21,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:21,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:21,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:21,114 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:21,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:21,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:21,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:21,133 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:21,133 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:21,152 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,167 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,184 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,218 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,274 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,295 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,316 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,361 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,410 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,435 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,462 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,490 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,548 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,610 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,643 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,710 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,747 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,785 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,823 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,867 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,906 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,946 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:21,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:21,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:21,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:21,986 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:21,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836993936] [2021-05-01 08:13:21,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [836993936] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:21,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:21,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-05-01 08:13:21,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802919914] [2021-05-01 08:13:21,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-01 08:13:21,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:21,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-01 08:13:21,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=952, Unknown=0, NotChecked=0, Total=1560 [2021-05-01 08:13:21,988 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand has 38 states, 37 states have (on average 1.054054054054054) internal successors, (39), 36 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:23,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:23,314 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-05-01 08:13:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-05-01 08:13:23,315 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 1.054054054054054) internal successors, (39), 36 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2021-05-01 08:13:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:23,315 INFO L225 Difference]: With dead ends: 50 [2021-05-01 08:13:23,315 INFO L226 Difference]: Without dead ends: 45 [2021-05-01 08:13:23,316 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 2095.9ms TimeCoverageRelationStatistics Valid=1761, Invalid=3351, Unknown=0, NotChecked=0, Total=5112 [2021-05-01 08:13:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-05-01 08:13:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-05-01 08:13:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2021-05-01 08:13:23,321 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2021-05-01 08:13:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:23,321 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2021-05-01 08:13:23,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 37 states have (on average 1.054054054054054) internal successors, (39), 36 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2021-05-01 08:13:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-05-01 08:13:23,322 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:23,322 INFO L519 BasicCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:23,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-01 08:13:23,322 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:23,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:23,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1149451112, now seen corresponding path program 32 times [2021-05-01 08:13:23,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:23,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429502823] [2021-05-01 08:13:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:23,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:23,326 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_597 100) InVars {main_~i~0=v_main_~i~0_597} OutVars{main_~i~0=v_main_~i~0_597} AuxVars[] AssignedVars[] [2021-05-01 08:13:23,327 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:23,328 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,331 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:23,333 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,334 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:23,337 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,338 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,340 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:23,342 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,344 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,346 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,348 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,351 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,353 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,355 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,355 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:23,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:23,371 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:23,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:23,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,388 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:23,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:23,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:23,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:23,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:23,429 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:23,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:23,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:23,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:23,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:23,447 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:23,448 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:23,467 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,501 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,519 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,556 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,577 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,642 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,689 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,740 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,767 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,821 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,943 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:23,976 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:23,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,010 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,045 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,191 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,274 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,314 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:24,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:24,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:24,355 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:24,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429502823] [2021-05-01 08:13:24,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [429502823] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:24,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:24,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-05-01 08:13:24,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709701108] [2021-05-01 08:13:24,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-01 08:13:24,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:24,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-01 08:13:24,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=643, Invalid=997, Unknown=0, NotChecked=0, Total=1640 [2021-05-01 08:13:24,356 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 39 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 37 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:25,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:25,806 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2021-05-01 08:13:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-01 08:13:25,806 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 37 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2021-05-01 08:13:25,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:25,807 INFO L225 Difference]: With dead ends: 51 [2021-05-01 08:13:25,807 INFO L226 Difference]: Without dead ends: 46 [2021-05-01 08:13:25,807 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 2193.1ms TimeCoverageRelationStatistics Valid=1865, Invalid=3537, Unknown=0, NotChecked=0, Total=5402 [2021-05-01 08:13:25,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-05-01 08:13:25,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-05-01 08:13:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2021-05-01 08:13:25,812 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2021-05-01 08:13:25,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:25,812 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2021-05-01 08:13:25,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 37 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2021-05-01 08:13:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-01 08:13:25,812 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:25,812 INFO L519 BasicCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:25,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-01 08:13:25,813 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:25,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:25,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1237857274, now seen corresponding path program 33 times [2021-05-01 08:13:25,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:25,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899097214] [2021-05-01 08:13:25,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:25,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:25,816 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_632 100) InVars {main_~i~0=v_main_~i~0_632} OutVars{main_~i~0=v_main_~i~0_632} AuxVars[] AssignedVars[] [2021-05-01 08:13:25,818 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:25,820 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,821 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,823 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,825 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,826 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,827 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,830 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:25,831 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,832 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:25,833 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:25,835 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,837 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,839 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,841 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,841 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:25,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:25,855 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:25,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:25,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:25,882 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:25,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:25,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:25,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:25,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:25,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:25,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:25,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:25,927 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:25,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:25,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:25,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:25,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:25,947 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:25,948 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:25,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:25,983 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:25,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,019 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,037 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,055 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,093 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,134 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,156 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,205 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,230 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,257 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,313 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,342 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,372 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,433 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,462 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,551 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,587 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,623 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,666 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,704 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,742 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,781 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,822 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,863 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:26,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:26,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:26,905 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:26,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899097214] [2021-05-01 08:13:26,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [899097214] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:26,906 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:26,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2021-05-01 08:13:26,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741453099] [2021-05-01 08:13:26,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-01 08:13:26,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:26,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-01 08:13:26,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=1043, Unknown=0, NotChecked=0, Total=1722 [2021-05-01 08:13:26,907 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 40 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:28,397 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2021-05-01 08:13:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-01 08:13:28,398 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2021-05-01 08:13:28,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:28,398 INFO L225 Difference]: With dead ends: 52 [2021-05-01 08:13:28,398 INFO L226 Difference]: Without dead ends: 47 [2021-05-01 08:13:28,399 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 2291.5ms TimeCoverageRelationStatistics Valid=1972, Invalid=3728, Unknown=0, NotChecked=0, Total=5700 [2021-05-01 08:13:28,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-01 08:13:28,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-05-01 08:13:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2021-05-01 08:13:28,404 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2021-05-01 08:13:28,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:28,405 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2021-05-01 08:13:28,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2021-05-01 08:13:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-01 08:13:28,405 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:28,405 INFO L519 BasicCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:28,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-01 08:13:28,405 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:28,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:28,406 INFO L82 PathProgramCache]: Analyzing trace with hash 316519000, now seen corresponding path program 34 times [2021-05-01 08:13:28,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:28,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67012349] [2021-05-01 08:13:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:28,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:28,410 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_668 100) InVars {main_~i~0=v_main_~i~0_668} OutVars{main_~i~0=v_main_~i~0_668} AuxVars[] AssignedVars[] [2021-05-01 08:13:28,411 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:28,412 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,416 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:28,419 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,419 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:28,421 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:28,424 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,427 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,430 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,432 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,434 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,437 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,439 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,440 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,442 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,443 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:28,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:28,458 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:28,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,475 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:28,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:28,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:28,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:28,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:28,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:28,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:28,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:28,518 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:28,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:28,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:28,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:28,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:28,539 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:28,540 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:28,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,576 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,593 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,611 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,629 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,647 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,667 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,688 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,710 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,733 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,781 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,806 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,899 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,943 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,971 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:28,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,017 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,041 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,145 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,235 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,272 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:29,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:29,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:29,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:29,384 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:29,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67012349] [2021-05-01 08:13:29,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [67012349] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:29,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:29,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-05-01 08:13:29,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091972158] [2021-05-01 08:13:29,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-01 08:13:29,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:29,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-01 08:13:29,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=1090, Unknown=0, NotChecked=0, Total=1806 [2021-05-01 08:13:29,385 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand has 41 states, 40 states have (on average 1.05) internal successors, (42), 39 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:30,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:30,768 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2021-05-01 08:13:30,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-01 08:13:30,768 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 1.05) internal successors, (42), 39 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2021-05-01 08:13:30,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:30,769 INFO L225 Difference]: With dead ends: 53 [2021-05-01 08:13:30,769 INFO L226 Difference]: Without dead ends: 48 [2021-05-01 08:13:30,784 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 2094.9ms TimeCoverageRelationStatistics Valid=2082, Invalid=3924, Unknown=0, NotChecked=0, Total=6006 [2021-05-01 08:13:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-05-01 08:13:30,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-05-01 08:13:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2021-05-01 08:13:30,790 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2021-05-01 08:13:30,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:30,790 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2021-05-01 08:13:30,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 40 states have (on average 1.05) internal successors, (42), 39 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2021-05-01 08:13:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-05-01 08:13:30,791 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:30,791 INFO L519 BasicCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:30,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-01 08:13:30,791 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:30,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:30,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1257543238, now seen corresponding path program 35 times [2021-05-01 08:13:30,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:30,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712504041] [2021-05-01 08:13:30,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:30,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:30,798 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_705 100) InVars {main_~i~0=v_main_~i~0_705} OutVars{main_~i~0=v_main_~i~0_705} AuxVars[] AssignedVars[] [2021-05-01 08:13:30,799 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:30,801 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,803 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,804 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,807 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,808 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,809 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,812 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:30,814 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,814 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:30,816 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:30,818 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,820 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,822 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,823 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,824 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:30,836 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:30,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:30,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:30,886 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:30,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:30,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:30,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:30,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:30,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:30,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:30,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:30,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:30,944 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:30,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:30,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:30,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:30,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:30,963 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:30,964 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:30,983 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,017 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,052 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,072 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,139 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,158 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,221 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,244 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,267 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,291 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,316 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,342 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,368 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,401 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,429 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,525 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,560 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,595 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,631 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,668 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,706 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,745 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,784 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,909 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,952 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:31,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:31,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:31,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:31,996 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:31,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712504041] [2021-05-01 08:13:31,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1712504041] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:31,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:31,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2021-05-01 08:13:31,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338969211] [2021-05-01 08:13:31,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-05-01 08:13:31,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:31,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-05-01 08:13:31,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=754, Invalid=1138, Unknown=0, NotChecked=0, Total=1892 [2021-05-01 08:13:31,998 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 42 states, 41 states have (on average 1.048780487804878) internal successors, (43), 40 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:33,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:33,617 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2021-05-01 08:13:33,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-01 08:13:33,618 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 1.048780487804878) internal successors, (43), 40 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2021-05-01 08:13:33,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:33,619 INFO L225 Difference]: With dead ends: 54 [2021-05-01 08:13:33,619 INFO L226 Difference]: Without dead ends: 49 [2021-05-01 08:13:33,619 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 2476.6ms TimeCoverageRelationStatistics Valid=2195, Invalid=4125, Unknown=0, NotChecked=0, Total=6320 [2021-05-01 08:13:33,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-05-01 08:13:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-05-01 08:13:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2021-05-01 08:13:33,624 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2021-05-01 08:13:33,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:33,624 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2021-05-01 08:13:33,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 41 states have (on average 1.048780487804878) internal successors, (43), 40 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2021-05-01 08:13:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-01 08:13:33,624 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:33,624 INFO L519 BasicCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:33,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-05-01 08:13:33,624 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:33,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:33,625 INFO L82 PathProgramCache]: Analyzing trace with hash 364523544, now seen corresponding path program 36 times [2021-05-01 08:13:33,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:33,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171612343] [2021-05-01 08:13:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:33,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:33,629 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_743 100) InVars {main_~i~0=v_main_~i~0_743} OutVars{main_~i~0=v_main_~i~0_743} AuxVars[] AssignedVars[] [2021-05-01 08:13:33,630 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:33,632 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,634 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,635 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,637 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,639 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,639 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,642 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,644 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:33,644 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:33,647 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,648 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:33,650 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,652 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,654 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,654 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:33,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:33,669 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:33,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:33,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,683 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:33,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:33,693 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:33,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:33,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:33,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:33,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:33,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:33,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:33,731 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:33,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:33,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:33,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:33,749 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:33,750 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:33,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,804 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,823 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,901 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,923 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,945 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,968 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:33,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:33,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,016 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,041 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,067 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,095 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,123 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,152 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,213 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,245 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,277 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,312 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,346 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,382 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,533 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,573 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,655 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,744 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,784 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:34,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:34,825 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:34,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171612343] [2021-05-01 08:13:34,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [171612343] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:34,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:34,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-05-01 08:13:34,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988517599] [2021-05-01 08:13:34,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-01 08:13:34,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:34,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-01 08:13:34,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=793, Invalid=1187, Unknown=0, NotChecked=0, Total=1980 [2021-05-01 08:13:34,826 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand has 43 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 41 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:36,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:36,532 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2021-05-01 08:13:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-01 08:13:36,532 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 41 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2021-05-01 08:13:36,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:36,532 INFO L225 Difference]: With dead ends: 55 [2021-05-01 08:13:36,532 INFO L226 Difference]: Without dead ends: 50 [2021-05-01 08:13:36,533 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 2604.6ms TimeCoverageRelationStatistics Valid=2311, Invalid=4331, Unknown=0, NotChecked=0, Total=6642 [2021-05-01 08:13:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-05-01 08:13:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-05-01 08:13:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-05-01 08:13:36,538 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2021-05-01 08:13:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:36,538 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2021-05-01 08:13:36,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 41 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-05-01 08:13:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-01 08:13:36,538 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:36,538 INFO L519 BasicCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:36,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-05-01 08:13:36,539 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:36,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:36,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1549283194, now seen corresponding path program 37 times [2021-05-01 08:13:36,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:36,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047922072] [2021-05-01 08:13:36,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:36,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:36,544 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_782 100) InVars {main_~i~0=v_main_~i~0_782} OutVars{main_~i~0=v_main_~i~0_782} AuxVars[] AssignedVars[] [2021-05-01 08:13:36,545 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:36,546 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,549 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:36,551 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,551 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:36,553 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,555 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,557 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,559 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:36,562 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,565 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,566 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,568 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,570 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,571 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,572 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:36,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:36,587 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,601 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:36,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:36,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:36,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:36,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:36,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:36,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:36,645 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:36,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:36,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:36,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:36,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:36,662 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:36,663 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:36,682 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,715 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,772 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,791 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,903 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:36,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:36,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,008 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,037 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,097 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,137 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,170 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,275 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,312 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,425 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,464 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,505 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,546 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,589 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,632 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,767 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:37,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:37,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:37,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:37,815 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:37,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047922072] [2021-05-01 08:13:37,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1047922072] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:37,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:37,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2021-05-01 08:13:37,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967158720] [2021-05-01 08:13:37,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-05-01 08:13:37,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:37,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-05-01 08:13:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=833, Invalid=1237, Unknown=0, NotChecked=0, Total=2070 [2021-05-01 08:13:37,816 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand has 44 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 42 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:39,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:39,644 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2021-05-01 08:13:39,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-01 08:13:39,645 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 42 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2021-05-01 08:13:39,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:39,645 INFO L225 Difference]: With dead ends: 56 [2021-05-01 08:13:39,645 INFO L226 Difference]: Without dead ends: 51 [2021-05-01 08:13:39,646 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 2765.6ms TimeCoverageRelationStatistics Valid=2430, Invalid=4542, Unknown=0, NotChecked=0, Total=6972 [2021-05-01 08:13:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-05-01 08:13:39,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-05-01 08:13:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2021-05-01 08:13:39,651 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2021-05-01 08:13:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:39,651 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2021-05-01 08:13:39,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 44 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 42 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2021-05-01 08:13:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-01 08:13:39,651 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:39,651 INFO L519 BasicCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:39,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-05-01 08:13:39,652 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:39,652 INFO L82 PathProgramCache]: Analyzing trace with hash -747749928, now seen corresponding path program 38 times [2021-05-01 08:13:39,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:39,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218092258] [2021-05-01 08:13:39,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:39,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:39,656 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_822 100) InVars {main_~i~0=v_main_~i~0_822} OutVars{main_~i~0=v_main_~i~0_822} AuxVars[] AssignedVars[] [2021-05-01 08:13:39,657 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:39,658 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,662 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:39,664 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,664 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:39,666 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,668 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,671 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:39,673 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,676 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,678 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,679 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,681 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,683 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,686 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,686 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:39,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:39,702 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,716 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:39,725 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:39,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:39,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:39,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:39,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:39,759 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:39,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:39,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:39,777 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:39,778 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:39,797 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,832 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,887 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,907 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,949 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,971 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:39,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:39,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,019 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,069 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,096 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,213 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,244 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,310 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,379 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,414 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,451 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,489 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,527 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,567 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,608 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,691 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,785 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,830 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:40,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:40,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:40,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:40,969 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:40,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218092258] [2021-05-01 08:13:40,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1218092258] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:40,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:40,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-05-01 08:13:40,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837579514] [2021-05-01 08:13:40,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-01 08:13:40,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:40,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-01 08:13:40,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=874, Invalid=1288, Unknown=0, NotChecked=0, Total=2162 [2021-05-01 08:13:40,970 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 45 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 43 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:42,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:42,733 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2021-05-01 08:13:42,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-01 08:13:42,734 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 43 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2021-05-01 08:13:42,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:42,734 INFO L225 Difference]: With dead ends: 57 [2021-05-01 08:13:42,734 INFO L226 Difference]: Without dead ends: 52 [2021-05-01 08:13:42,735 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 2761.1ms TimeCoverageRelationStatistics Valid=2552, Invalid=4758, Unknown=0, NotChecked=0, Total=7310 [2021-05-01 08:13:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-05-01 08:13:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-05-01 08:13:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2021-05-01 08:13:42,740 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2021-05-01 08:13:42,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:42,740 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2021-05-01 08:13:42,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 43 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2021-05-01 08:13:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-05-01 08:13:42,757 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:42,757 INFO L519 BasicCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:42,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-05-01 08:13:42,757 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:42,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1670022458, now seen corresponding path program 39 times [2021-05-01 08:13:42,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:42,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749000649] [2021-05-01 08:13:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:42,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:42,767 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_863 100) InVars {main_~i~0=v_main_~i~0_863} OutVars{main_~i~0=v_main_~i~0_863} AuxVars[] AssignedVars[] [2021-05-01 08:13:42,768 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:42,769 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,772 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,775 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:42,776 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:42,779 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,781 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:42,783 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,786 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,789 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,791 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,793 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,795 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,798 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,800 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,800 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:42,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:42,815 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:42,829 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:42,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:42,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:42,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:42,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:42,871 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:42,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:42,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:42,890 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:42,890 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:42,909 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:42,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:42,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:42,943 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:42,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:42,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:42,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:42,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:42,999 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:42,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,088 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,111 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,135 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,185 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,212 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,390 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,423 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,493 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,569 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,607 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,645 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,726 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,769 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,859 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,906 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:43,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:43,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:44,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:44,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:44,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:44,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:44,099 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:44,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:44,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:44,150 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:44,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749000649] [2021-05-01 08:13:44,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1749000649] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:44,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:44,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2021-05-01 08:13:44,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075268096] [2021-05-01 08:13:44,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-01 08:13:44,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:44,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-01 08:13:44,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=916, Invalid=1340, Unknown=0, NotChecked=0, Total=2256 [2021-05-01 08:13:44,152 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 46 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 44 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:45,963 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2021-05-01 08:13:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-05-01 08:13:45,964 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 44 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2021-05-01 08:13:45,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:45,964 INFO L225 Difference]: With dead ends: 58 [2021-05-01 08:13:45,964 INFO L226 Difference]: Without dead ends: 53 [2021-05-01 08:13:45,965 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 2903.7ms TimeCoverageRelationStatistics Valid=2677, Invalid=4979, Unknown=0, NotChecked=0, Total=7656 [2021-05-01 08:13:45,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-05-01 08:13:45,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-05-01 08:13:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2021-05-01 08:13:45,971 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2021-05-01 08:13:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:45,971 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2021-05-01 08:13:45,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 44 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2021-05-01 08:13:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-05-01 08:13:45,971 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:45,971 INFO L519 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:45,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-05-01 08:13:45,972 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:45,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:45,972 INFO L82 PathProgramCache]: Analyzing trace with hash -195699816, now seen corresponding path program 40 times [2021-05-01 08:13:45,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:45,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965546814] [2021-05-01 08:13:45,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:45,977 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_905 100) InVars {main_~i~0=v_main_~i~0_905} OutVars{main_~i~0=v_main_~i~0_905} AuxVars[] AssignedVars[] [2021-05-01 08:13:45,978 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:45,981 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,983 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,986 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,988 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,990 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,991 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,994 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:45,997 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:45,997 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:46,000 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:46,003 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,005 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,007 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,009 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,010 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:46,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:46,027 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:46,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:46,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,045 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:46,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:46,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:46,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:46,091 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:46,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:46,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:46,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:46,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:46,112 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:46,113 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:46,136 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,191 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,211 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,233 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,302 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,326 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,433 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,461 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,522 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,553 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,585 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,653 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,689 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,733 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,808 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,846 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,885 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:46,966 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,008 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,050 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,093 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,137 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,230 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:47,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:47,485 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:47,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965546814] [2021-05-01 08:13:47,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1965546814] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:47,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:47,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-05-01 08:13:47,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590127566] [2021-05-01 08:13:47,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-01 08:13:47,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:47,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-01 08:13:47,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=959, Invalid=1393, Unknown=0, NotChecked=0, Total=2352 [2021-05-01 08:13:47,486 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand has 47 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 45 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:49,681 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2021-05-01 08:13:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-01 08:13:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 45 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2021-05-01 08:13:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:49,682 INFO L225 Difference]: With dead ends: 59 [2021-05-01 08:13:49,682 INFO L226 Difference]: Without dead ends: 54 [2021-05-01 08:13:49,683 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 3319.6ms TimeCoverageRelationStatistics Valid=2805, Invalid=5205, Unknown=0, NotChecked=0, Total=8010 [2021-05-01 08:13:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-05-01 08:13:49,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-05-01 08:13:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2021-05-01 08:13:49,689 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2021-05-01 08:13:49,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:49,689 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2021-05-01 08:13:49,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 45 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2021-05-01 08:13:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-01 08:13:49,689 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:49,689 INFO L519 BasicCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:49,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-05-01 08:13:49,689 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:49,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:49,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1736338170, now seen corresponding path program 41 times [2021-05-01 08:13:49,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:49,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480986944] [2021-05-01 08:13:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:49,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:49,699 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_948 100) InVars {main_~i~0=v_main_~i~0_948} OutVars{main_~i~0=v_main_~i~0_948} AuxVars[] AssignedVars[] [2021-05-01 08:13:49,700 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:49,701 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,704 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,706 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:49,706 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:49,708 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,710 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,712 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,713 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:49,715 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,717 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,719 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,720 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,722 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,723 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,724 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:49,737 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:49,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,760 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:49,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:49,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:49,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:49,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:49,809 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:13:49,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:13:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:13:49,829 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:13:49,830 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:49,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,905 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,923 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,965 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:49,998 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:49,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,016 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,033 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,051 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,069 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,087 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,127 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,150 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,195 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,220 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,244 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,296 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,361 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,395 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,434 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,481 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,522 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,606 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,650 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,686 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,722 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,834 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,886 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,924 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:50,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:50,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:51,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:51,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:51,001 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:51,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480986944] [2021-05-01 08:13:51,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1480986944] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:51,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:51,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-05-01 08:13:51,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618531581] [2021-05-01 08:13:51,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-05-01 08:13:51,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:51,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-05-01 08:13:51,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1003, Invalid=1447, Unknown=0, NotChecked=0, Total=2450 [2021-05-01 08:13:51,002 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand has 48 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 46 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:52,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:52,719 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2021-05-01 08:13:52,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-01 08:13:52,720 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 46 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2021-05-01 08:13:52,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:52,720 INFO L225 Difference]: With dead ends: 60 [2021-05-01 08:13:52,720 INFO L226 Difference]: Without dead ends: 55 [2021-05-01 08:13:52,721 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 2684.4ms TimeCoverageRelationStatistics Valid=2936, Invalid=5436, Unknown=0, NotChecked=0, Total=8372 [2021-05-01 08:13:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-05-01 08:13:52,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-05-01 08:13:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2021-05-01 08:13:52,726 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2021-05-01 08:13:52,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:52,726 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2021-05-01 08:13:52,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 48 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 46 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2021-05-01 08:13:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-05-01 08:13:52,727 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:52,727 INFO L519 BasicCegarLoop]: trace histogram [42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:52,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-05-01 08:13:52,727 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:52,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:52,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2043480408, now seen corresponding path program 42 times [2021-05-01 08:13:52,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:52,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050044584] [2021-05-01 08:13:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:52,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:52,732 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_992 100) InVars {main_~i~0=v_main_~i~0_992} OutVars{main_~i~0=v_main_~i~0_992} AuxVars[] AssignedVars[] [2021-05-01 08:13:52,733 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:52,735 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,737 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,738 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,739 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,740 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,741 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,743 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,745 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:52,745 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:52,747 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:52,748 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,750 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,752 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,753 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,754 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:52,766 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:52,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:52,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,788 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:52,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:52,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:52,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:52,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:52,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:52,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:52,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:52,825 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:52,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:52,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:52,867 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:52,868 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:52,886 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,901 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,935 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:52,993 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,014 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,058 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,133 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,187 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,245 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,275 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,306 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,440 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,476 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,513 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,550 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,590 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,629 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,761 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,805 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:53,988 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:54,038 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:54,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:54,088 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:54,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:54,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:54,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:54,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:54,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:54,307 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:54,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050044584] [2021-05-01 08:13:54,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1050044584] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:54,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:54,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-05-01 08:13:54,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067166105] [2021-05-01 08:13:54,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-05-01 08:13:54,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:54,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-05-01 08:13:54,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1048, Invalid=1502, Unknown=0, NotChecked=0, Total=2550 [2021-05-01 08:13:54,308 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand has 49 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 47 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:13:56,468 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2021-05-01 08:13:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-01 08:13:56,469 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 47 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2021-05-01 08:13:56,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:13:56,469 INFO L225 Difference]: With dead ends: 61 [2021-05-01 08:13:56,469 INFO L226 Difference]: Without dead ends: 56 [2021-05-01 08:13:56,470 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 3421.6ms TimeCoverageRelationStatistics Valid=3070, Invalid=5672, Unknown=0, NotChecked=0, Total=8742 [2021-05-01 08:13:56,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-05-01 08:13:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-05-01 08:13:56,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2021-05-01 08:13:56,476 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2021-05-01 08:13:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:13:56,476 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2021-05-01 08:13:56,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 47 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:13:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2021-05-01 08:13:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-05-01 08:13:56,477 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:13:56,477 INFO L519 BasicCegarLoop]: trace histogram [43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:13:56,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-05-01 08:13:56,477 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:13:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:13:56,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1041227962, now seen corresponding path program 43 times [2021-05-01 08:13:56,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:13:56,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746022142] [2021-05-01 08:13:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:13:56,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:13:56,482 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1037 100) InVars {main_~i~0=v_main_~i~0_1037} OutVars{main_~i~0=v_main_~i~0_1037} AuxVars[] AssignedVars[] [2021-05-01 08:13:56,484 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:13:56,487 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,489 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,490 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,492 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,495 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,496 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,500 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:56,502 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,502 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:13:56,504 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:13:56,507 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,509 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,511 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,513 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,514 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:13:56,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:13:56,531 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:13:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:56,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:56,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:13:56,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:13:56,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:13:56,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:13:56,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:56,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:13:56,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:56,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:13:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:13:56,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:13:56,592 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:13:56,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:13:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:13:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:13:56,612 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:13:56,613 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:13:56,633 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,687 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,705 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,724 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,744 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,765 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,788 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,888 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,916 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,944 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:56,974 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:56,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,004 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,037 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,068 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,134 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,203 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,313 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,391 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,438 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,521 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,563 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,608 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,745 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,793 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,841 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,940 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:57,991 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:58,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:13:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:13:58,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:13:58,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:13:58,096 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:13:58,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746022142] [2021-05-01 08:13:58,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1746022142] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:13:58,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:13:58,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2021-05-01 08:13:58,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535012691] [2021-05-01 08:13:58,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-01 08:13:58,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:13:58,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-01 08:13:58,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1094, Invalid=1558, Unknown=0, NotChecked=0, Total=2652 [2021-05-01 08:13:58,098 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand has 50 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 48 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:00,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:00,215 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2021-05-01 08:14:00,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-01 08:14:00,216 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 48 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2021-05-01 08:14:00,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:00,216 INFO L225 Difference]: With dead ends: 62 [2021-05-01 08:14:00,216 INFO L226 Difference]: Without dead ends: 57 [2021-05-01 08:14:00,217 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 3465.2ms TimeCoverageRelationStatistics Valid=3207, Invalid=5913, Unknown=0, NotChecked=0, Total=9120 [2021-05-01 08:14:00,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-05-01 08:14:00,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-05-01 08:14:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2021-05-01 08:14:00,222 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2021-05-01 08:14:00,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:00,222 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2021-05-01 08:14:00,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 48 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2021-05-01 08:14:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-01 08:14:00,223 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:00,223 INFO L519 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:00,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-05-01 08:14:00,223 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:00,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2117060376, now seen corresponding path program 44 times [2021-05-01 08:14:00,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:00,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577974034] [2021-05-01 08:14:00,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:00,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:00,238 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1083 100) InVars {main_~i~0=v_main_~i~0_1083} OutVars{main_~i~0=v_main_~i~0_1083} AuxVars[] AssignedVars[] [2021-05-01 08:14:00,239 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:00,240 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,243 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:00,245 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,246 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:00,247 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:00,250 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,252 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,253 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,255 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,256 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,258 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,259 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,260 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,261 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,262 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:00,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:00,273 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:00,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:00,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,292 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:00,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:00,299 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:00,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:00,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:00,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:00,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:00,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:00,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:00,326 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:00,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:00,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:00,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:00,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:00,343 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:00,347 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:00,361 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,373 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,398 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,411 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,441 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,456 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,472 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,489 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,507 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,524 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,543 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,563 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,583 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,606 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,627 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,672 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,696 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,720 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,745 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,822 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,912 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:00,972 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:00,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,099 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,132 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,166 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,272 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,309 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,346 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,388 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,428 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:01,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:01,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:01,469 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:01,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577974034] [2021-05-01 08:14:01,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1577974034] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:01,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:01,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-05-01 08:14:01,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73328487] [2021-05-01 08:14:01,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-05-01 08:14:01,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:01,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-05-01 08:14:01,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1141, Invalid=1615, Unknown=0, NotChecked=0, Total=2756 [2021-05-01 08:14:01,470 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 51 states, 50 states have (on average 1.04) internal successors, (52), 49 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:03,628 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2021-05-01 08:14:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-01 08:14:03,628 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 1.04) internal successors, (52), 49 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2021-05-01 08:14:03,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:03,629 INFO L225 Difference]: With dead ends: 63 [2021-05-01 08:14:03,629 INFO L226 Difference]: Without dead ends: 58 [2021-05-01 08:14:03,630 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 3120.3ms TimeCoverageRelationStatistics Valid=3347, Invalid=6159, Unknown=0, NotChecked=0, Total=9506 [2021-05-01 08:14:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-05-01 08:14:03,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-05-01 08:14:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2021-05-01 08:14:03,636 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2021-05-01 08:14:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:03,636 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2021-05-01 08:14:03,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 51 states, 50 states have (on average 1.04) internal successors, (52), 49 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2021-05-01 08:14:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-05-01 08:14:03,636 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:03,637 INFO L519 BasicCegarLoop]: trace histogram [45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:03,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-05-01 08:14:03,637 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:03,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1239751046, now seen corresponding path program 45 times [2021-05-01 08:14:03,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:03,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430488413] [2021-05-01 08:14:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:03,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:03,645 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1130 100) InVars {main_~i~0=v_main_~i~0_1130} OutVars{main_~i~0=v_main_~i~0_1130} AuxVars[] AssignedVars[] [2021-05-01 08:14:03,646 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:03,649 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,651 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,653 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,656 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,659 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,660 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,662 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,665 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:03,666 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:03,668 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:03,671 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,673 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,675 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,678 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,678 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:03,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:03,695 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:03,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:03,752 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:03,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:03,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:03,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:03,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:03,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:03,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:03,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:03,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:03,815 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:03,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:03,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:03,854 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:03,855 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:03,891 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:03,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:03,907 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:03,930 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:03,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:03,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:03,991 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:03,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,035 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,058 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,132 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,158 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,186 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,244 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,277 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,309 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,343 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,421 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,537 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,577 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,703 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,749 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,792 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,836 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,927 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:04,975 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:04,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,075 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,231 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,285 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,340 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,398 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,514 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,572 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:05,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:05,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:05,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:05,631 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:05,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430488413] [2021-05-01 08:14:05,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1430488413] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:05,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:05,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2021-05-01 08:14:05,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160627552] [2021-05-01 08:14:05,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-01 08:14:05,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:05,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-01 08:14:05,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=1673, Unknown=0, NotChecked=0, Total=2862 [2021-05-01 08:14:05,633 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 52 states, 51 states have (on average 1.0392156862745099) internal successors, (53), 50 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:08,205 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2021-05-01 08:14:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-01 08:14:08,206 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 1.0392156862745099) internal successors, (53), 50 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2021-05-01 08:14:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:08,207 INFO L225 Difference]: With dead ends: 64 [2021-05-01 08:14:08,207 INFO L226 Difference]: Without dead ends: 59 [2021-05-01 08:14:08,207 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 4186.5ms TimeCoverageRelationStatistics Valid=3490, Invalid=6410, Unknown=0, NotChecked=0, Total=9900 [2021-05-01 08:14:08,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-05-01 08:14:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-05-01 08:14:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2021-05-01 08:14:08,217 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2021-05-01 08:14:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:08,217 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2021-05-01 08:14:08,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 51 states have (on average 1.0392156862745099) internal successors, (53), 50 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2021-05-01 08:14:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-05-01 08:14:08,227 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:08,227 INFO L519 BasicCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:08,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-05-01 08:14:08,227 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:08,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:08,228 INFO L82 PathProgramCache]: Analyzing trace with hash -187034408, now seen corresponding path program 46 times [2021-05-01 08:14:08,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:08,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566647817] [2021-05-01 08:14:08,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:08,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:08,246 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1178 100) InVars {main_~i~0=v_main_~i~0_1178} OutVars{main_~i~0=v_main_~i~0_1178} AuxVars[] AssignedVars[] [2021-05-01 08:14:08,247 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:08,248 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,252 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,255 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:08,255 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:08,258 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:08,261 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,264 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,267 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,270 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,273 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,279 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,281 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,284 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,298 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,300 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:08,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:08,317 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:08,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:08,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,353 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:08,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:08,365 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:08,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:08,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:08,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:08,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:08,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:08,432 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:08,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:08,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:08,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:08,460 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:08,461 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:08,492 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,510 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,529 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,550 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,591 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,687 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,715 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,742 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,771 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,801 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,832 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,865 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,932 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:08,966 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:08,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,164 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,218 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,312 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,452 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,501 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,653 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,706 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,871 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,927 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:09,984 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:09,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,226 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,288 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,417 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:10,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:10,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:10,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:10,482 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:10,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566647817] [2021-05-01 08:14:10,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [566647817] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:10,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:10,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-01 08:14:10,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287275709] [2021-05-01 08:14:10,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-01 08:14:10,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:10,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-01 08:14:10,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1238, Invalid=1732, Unknown=0, NotChecked=0, Total=2970 [2021-05-01 08:14:10,483 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 53 states, 52 states have (on average 1.0384615384615385) internal successors, (54), 51 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:12,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:12,697 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2021-05-01 08:14:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-01 08:14:12,698 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 1.0384615384615385) internal successors, (54), 51 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2021-05-01 08:14:12,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:12,700 INFO L225 Difference]: With dead ends: 65 [2021-05-01 08:14:12,701 INFO L226 Difference]: Without dead ends: 60 [2021-05-01 08:14:12,701 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 4071.8ms TimeCoverageRelationStatistics Valid=3636, Invalid=6666, Unknown=0, NotChecked=0, Total=10302 [2021-05-01 08:14:12,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-05-01 08:14:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-05-01 08:14:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:12,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2021-05-01 08:14:12,707 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2021-05-01 08:14:12,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:12,708 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2021-05-01 08:14:12,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 52 states have (on average 1.0384615384615385) internal successors, (54), 51 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2021-05-01 08:14:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-01 08:14:12,722 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:12,722 INFO L519 BasicCegarLoop]: trace histogram [47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:12,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-05-01 08:14:12,723 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:12,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1467710522, now seen corresponding path program 47 times [2021-05-01 08:14:12,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:12,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624264687] [2021-05-01 08:14:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:12,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:12,727 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1227 100) InVars {main_~i~0=v_main_~i~0_1227} OutVars{main_~i~0=v_main_~i~0_1227} AuxVars[] AssignedVars[] [2021-05-01 08:14:12,733 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:12,734 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,737 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,738 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:12,739 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:12,741 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:12,744 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,746 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,747 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,749 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,750 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,752 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,753 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,754 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,755 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,756 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:12,782 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:12,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:12,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,814 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:12,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:12,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:12,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:12,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:12,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:12,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:12,853 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:12,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:12,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:12,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:12,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:12,883 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:12,884 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:12,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,909 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,934 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,948 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:12,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:12,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,098 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,118 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,138 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,169 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,233 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,266 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,300 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,332 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,416 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,451 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,496 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,533 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,569 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,607 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,686 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,727 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,773 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:13,963 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,013 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,065 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,171 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,336 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,393 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:14,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:14,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:14,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:14,453 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:14,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624264687] [2021-05-01 08:14:14,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [624264687] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:14,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:14,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2021-05-01 08:14:14,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047201191] [2021-05-01 08:14:14,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-05-01 08:14:14,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:14,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-05-01 08:14:14,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1288, Invalid=1792, Unknown=0, NotChecked=0, Total=3080 [2021-05-01 08:14:14,454 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand has 54 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 52 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:17,160 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2021-05-01 08:14:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-01 08:14:17,160 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 52 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2021-05-01 08:14:17,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:17,161 INFO L225 Difference]: With dead ends: 66 [2021-05-01 08:14:17,161 INFO L226 Difference]: Without dead ends: 61 [2021-05-01 08:14:17,162 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 3987.1ms TimeCoverageRelationStatistics Valid=3785, Invalid=6927, Unknown=0, NotChecked=0, Total=10712 [2021-05-01 08:14:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-05-01 08:14:17,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-05-01 08:14:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2021-05-01 08:14:17,169 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2021-05-01 08:14:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:17,170 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2021-05-01 08:14:17,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 52 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2021-05-01 08:14:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-01 08:14:17,170 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:17,170 INFO L519 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:17,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-05-01 08:14:17,170 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:17,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:17,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1781002904, now seen corresponding path program 48 times [2021-05-01 08:14:17,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:17,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730513490] [2021-05-01 08:14:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:17,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:17,175 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1277 100) InVars {main_~i~0=v_main_~i~0_1277} OutVars{main_~i~0=v_main_~i~0_1277} AuxVars[] AssignedVars[] [2021-05-01 08:14:17,176 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:17,179 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,182 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,185 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,187 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,189 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,190 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,193 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:17,195 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,195 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:17,197 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,199 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,201 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,203 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:17,205 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,206 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:17,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:17,223 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:17,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:17,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,237 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:17,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:17,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:17,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:17,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:17,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:17,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:17,296 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:14:17,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:17,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:17,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:14:17,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:14:17,317 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:14:17,318 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:17,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,388 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,427 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,448 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,492 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,516 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,541 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,567 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,594 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,625 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,656 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,687 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,752 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,785 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,865 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,906 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,950 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:17,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:17,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,041 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,149 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,196 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,246 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,299 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,351 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,460 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,540 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,660 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,801 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,926 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:18,991 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,056 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:19,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:19,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,185 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,251 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:19,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,320 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:19,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,391 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:19,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:19,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:19,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:19,462 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:19,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730513490] [2021-05-01 08:14:19,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1730513490] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:19,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:19,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2021-05-01 08:14:19,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000157362] [2021-05-01 08:14:19,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-01 08:14:19,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:19,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-01 08:14:19,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1339, Invalid=1853, Unknown=0, NotChecked=0, Total=3192 [2021-05-01 08:14:19,464 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 55 states, 54 states have (on average 1.037037037037037) internal successors, (56), 53 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:21,978 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2021-05-01 08:14:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-01 08:14:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 1.037037037037037) internal successors, (56), 53 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2021-05-01 08:14:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:21,980 INFO L225 Difference]: With dead ends: 67 [2021-05-01 08:14:21,980 INFO L226 Difference]: Without dead ends: 62 [2021-05-01 08:14:21,981 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1183 ImplicationChecksByTransitivity, 4356.5ms TimeCoverageRelationStatistics Valid=3937, Invalid=7193, Unknown=0, NotChecked=0, Total=11130 [2021-05-01 08:14:21,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-05-01 08:14:21,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-05-01 08:14:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2021-05-01 08:14:21,999 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2021-05-01 08:14:21,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:21,999 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2021-05-01 08:14:21,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 54 states have (on average 1.037037037037037) internal successors, (56), 53 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2021-05-01 08:14:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-01 08:14:22,000 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:22,000 INFO L519 BasicCegarLoop]: trace histogram [49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:22,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-05-01 08:14:22,000 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:22,000 INFO L82 PathProgramCache]: Analyzing trace with hash -588095994, now seen corresponding path program 49 times [2021-05-01 08:14:22,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:22,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887730899] [2021-05-01 08:14:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:22,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:22,014 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1328 100) InVars {main_~i~0=v_main_~i~0_1328} OutVars{main_~i~0=v_main_~i~0_1328} AuxVars[] AssignedVars[] [2021-05-01 08:14:22,015 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:22,016 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,019 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:22,020 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,021 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:22,023 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:22,025 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,027 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,028 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,030 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,032 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,034 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,035 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,037 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,039 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,039 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:22,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:22,054 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:22,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:22,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,107 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:22,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:22,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:22,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:22,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:22,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:22,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:22,155 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:22,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:22,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:22,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:22,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:22,175 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:22,176 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:22,195 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,214 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,231 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,287 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,307 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,329 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,376 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,460 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,489 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,531 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,596 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,630 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,664 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,771 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,809 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,849 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,889 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,930 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:22,971 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:22,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,013 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,056 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,191 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,287 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,336 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,386 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,487 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,542 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,597 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,767 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,894 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:23,953 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:23,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:24,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:24,089 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:24,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:24,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:24,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:24,153 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:24,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887730899] [2021-05-01 08:14:24,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1887730899] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:24,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:24,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-05-01 08:14:24,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065272403] [2021-05-01 08:14:24,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-05-01 08:14:24,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:24,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-05-01 08:14:24,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1391, Invalid=1915, Unknown=0, NotChecked=0, Total=3306 [2021-05-01 08:14:24,155 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand has 56 states, 55 states have (on average 1.0363636363636364) internal successors, (57), 54 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:27,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:27,233 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2021-05-01 08:14:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-01 08:14:27,234 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 1.0363636363636364) internal successors, (57), 54 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2021-05-01 08:14:27,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:27,234 INFO L225 Difference]: With dead ends: 68 [2021-05-01 08:14:27,234 INFO L226 Difference]: Without dead ends: 63 [2021-05-01 08:14:27,235 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 4746.8ms TimeCoverageRelationStatistics Valid=4092, Invalid=7464, Unknown=0, NotChecked=0, Total=11556 [2021-05-01 08:14:27,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-05-01 08:14:27,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-05-01 08:14:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2021-05-01 08:14:27,243 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2021-05-01 08:14:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:27,243 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2021-05-01 08:14:27,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 55 states have (on average 1.0363636363636364) internal successors, (57), 54 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2021-05-01 08:14:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-05-01 08:14:27,244 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:27,244 INFO L519 BasicCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:27,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-05-01 08:14:27,244 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:27,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:27,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1015717800, now seen corresponding path program 50 times [2021-05-01 08:14:27,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:27,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309086641] [2021-05-01 08:14:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:27,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:27,249 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1380 100) InVars {main_~i~0=v_main_~i~0_1380} OutVars{main_~i~0=v_main_~i~0_1380} AuxVars[] AssignedVars[] [2021-05-01 08:14:27,250 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:27,251 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,253 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,256 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:27,256 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:27,258 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:27,260 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,262 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,264 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,267 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,269 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,271 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,272 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,274 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,276 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,277 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:27,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:27,295 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:27,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,310 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:27,321 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:27,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:27,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:27,363 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:14:27,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:27,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:14:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:14:27,384 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:14:27,385 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:27,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,424 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,441 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,459 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,480 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,500 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,521 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,545 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,568 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,593 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,620 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,673 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,702 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,763 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,793 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,860 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,894 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,940 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:27,976 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:27,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,086 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,165 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,205 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,291 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,335 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,380 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,473 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,522 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,573 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,624 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,731 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,859 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:28,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:28,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,037 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:29,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:29,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,165 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,227 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:29,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,295 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:29,422 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:29,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309086641] [2021-05-01 08:14:29,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [309086641] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:29,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:29,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2021-05-01 08:14:29,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51812982] [2021-05-01 08:14:29,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-01 08:14:29,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:29,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-01 08:14:29,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1444, Invalid=1978, Unknown=0, NotChecked=0, Total=3422 [2021-05-01 08:14:29,423 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand has 57 states, 56 states have (on average 1.0357142857142858) internal successors, (58), 55 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:32,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:32,375 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2021-05-01 08:14:32,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-01 08:14:32,376 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 1.0357142857142858) internal successors, (58), 55 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2021-05-01 08:14:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:32,377 INFO L225 Difference]: With dead ends: 69 [2021-05-01 08:14:32,377 INFO L226 Difference]: Without dead ends: 64 [2021-05-01 08:14:32,378 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1282 ImplicationChecksByTransitivity, 4804.2ms TimeCoverageRelationStatistics Valid=4250, Invalid=7740, Unknown=0, NotChecked=0, Total=11990 [2021-05-01 08:14:32,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-05-01 08:14:32,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-05-01 08:14:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2021-05-01 08:14:32,384 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2021-05-01 08:14:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:32,384 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2021-05-01 08:14:32,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 56 states have (on average 1.0357142857142858) internal successors, (58), 55 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2021-05-01 08:14:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-01 08:14:32,384 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:32,384 INFO L519 BasicCegarLoop]: trace histogram [51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:32,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-05-01 08:14:32,384 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:32,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:32,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1387091898, now seen corresponding path program 51 times [2021-05-01 08:14:32,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:32,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491261596] [2021-05-01 08:14:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:32,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:32,389 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1433 100) InVars {main_~i~0=v_main_~i~0_1433} OutVars{main_~i~0=v_main_~i~0_1433} AuxVars[] AssignedVars[] [2021-05-01 08:14:32,390 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:32,391 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,394 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:32,398 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,399 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:32,401 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:32,403 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,405 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,408 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,410 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,412 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,414 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,415 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,417 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,418 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,419 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:32,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:32,435 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:32,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:32,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,451 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:32,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:32,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:32,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:32,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:32,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:32,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:32,508 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:32,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:32,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:32,530 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:32,538 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:32,562 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,596 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,639 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,660 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,683 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,706 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,730 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,782 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,810 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,841 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,909 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,946 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:32,988 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:32,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,068 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,156 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,359 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,408 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,510 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,562 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,672 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,782 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,871 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:33,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,072 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,167 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,295 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,502 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,577 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,725 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,802 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,876 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,923 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:34,968 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:35,019 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:35,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:35,070 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:35,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:35,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:35,128 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:35,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491261596] [2021-05-01 08:14:35,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [491261596] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:35,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:35,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [] total 58 [2021-05-01 08:14:35,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382712518] [2021-05-01 08:14:35,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-05-01 08:14:35,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:35,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-05-01 08:14:35,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1498, Invalid=2042, Unknown=0, NotChecked=0, Total=3540 [2021-05-01 08:14:35,129 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand has 58 states, 57 states have (on average 1.0350877192982457) internal successors, (59), 56 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:37,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:37,938 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2021-05-01 08:14:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-01 08:14:37,938 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 57 states have (on average 1.0350877192982457) internal successors, (59), 56 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2021-05-01 08:14:37,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:37,939 INFO L225 Difference]: With dead ends: 70 [2021-05-01 08:14:37,939 INFO L226 Difference]: Without dead ends: 65 [2021-05-01 08:14:37,940 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 5076.4ms TimeCoverageRelationStatistics Valid=4411, Invalid=8021, Unknown=0, NotChecked=0, Total=12432 [2021-05-01 08:14:37,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-01 08:14:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-05-01 08:14:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2021-05-01 08:14:37,948 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2021-05-01 08:14:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:37,948 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2021-05-01 08:14:37,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 57 states have (on average 1.0350877192982457) internal successors, (59), 56 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2021-05-01 08:14:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-05-01 08:14:37,949 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:37,949 INFO L519 BasicCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:37,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-05-01 08:14:37,949 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:37,950 INFO L82 PathProgramCache]: Analyzing trace with hash -14787048, now seen corresponding path program 52 times [2021-05-01 08:14:37,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:37,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781782305] [2021-05-01 08:14:37,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:37,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:37,966 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1487 100) InVars {main_~i~0=v_main_~i~0_1487} OutVars{main_~i~0=v_main_~i~0_1487} AuxVars[] AssignedVars[] [2021-05-01 08:14:37,972 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:37,973 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,976 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:37,978 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,980 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:37,982 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:37,984 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,986 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,989 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,992 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,994 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,995 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,997 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:37,998 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,000 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,000 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:38,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:38,014 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:38,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:38,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,054 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:38,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:38,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:38,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:38,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:38,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:38,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:38,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:38,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:38,121 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:38,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:38,145 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:38,146 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:38,177 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,202 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,220 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,300 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,333 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,354 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,375 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,421 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,521 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,549 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,609 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,640 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,702 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,742 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,808 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,878 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,950 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:38,989 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,029 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,069 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,199 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,246 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,292 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,434 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,532 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,654 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,779 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,927 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:39,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:39,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:40,062 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:40,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:40,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:40,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:40,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:40,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:40,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:40,269 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:40,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781782305] [2021-05-01 08:14:40,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1781782305] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:40,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:40,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2021-05-01 08:14:40,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324453849] [2021-05-01 08:14:40,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-05-01 08:14:40,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:40,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-05-01 08:14:40,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1553, Invalid=2107, Unknown=0, NotChecked=0, Total=3660 [2021-05-01 08:14:40,270 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand has 59 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 57 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:43,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:43,679 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2021-05-01 08:14:43,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-01 08:14:43,680 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 57 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2021-05-01 08:14:43,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:43,681 INFO L225 Difference]: With dead ends: 71 [2021-05-01 08:14:43,681 INFO L226 Difference]: Without dead ends: 66 [2021-05-01 08:14:43,682 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 5217.1ms TimeCoverageRelationStatistics Valid=4575, Invalid=8307, Unknown=0, NotChecked=0, Total=12882 [2021-05-01 08:14:43,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-05-01 08:14:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-05-01 08:14:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2021-05-01 08:14:43,689 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2021-05-01 08:14:43,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:43,690 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2021-05-01 08:14:43,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 57 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2021-05-01 08:14:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-05-01 08:14:43,690 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:43,690 INFO L519 BasicCegarLoop]: trace histogram [53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:43,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-05-01 08:14:43,690 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:43,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:43,691 INFO L82 PathProgramCache]: Analyzing trace with hash -423009658, now seen corresponding path program 53 times [2021-05-01 08:14:43,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:43,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70277827] [2021-05-01 08:14:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:43,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:43,697 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1542 100) InVars {main_~i~0=v_main_~i~0_1542} OutVars{main_~i~0=v_main_~i~0_1542} AuxVars[] AssignedVars[] [2021-05-01 08:14:43,699 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:43,702 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,704 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,708 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,711 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,714 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,715 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,720 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:43,722 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,723 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:43,726 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:43,729 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,733 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,736 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,739 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,739 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:43,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:43,758 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:43,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:43,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:43,779 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:43,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:43,794 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:43,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:43,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:43,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:43,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:43,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:43,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:43,841 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:43,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:43,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:43,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:43,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:43,869 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:43,871 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:43,894 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:43,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:43,935 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:43,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:43,956 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:43,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:43,979 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,002 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,051 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,077 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,103 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,199 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,260 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,292 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,324 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,394 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,431 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,506 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,583 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,623 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,752 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,803 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,945 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:44,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:44,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,142 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,195 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,305 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,415 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,472 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,534 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,725 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,788 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,850 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,913 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:45,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:45,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:46,051 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:46,121 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:46,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:46,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:46,189 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:46,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70277827] [2021-05-01 08:14:46,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [70277827] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:46,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:46,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2021-05-01 08:14:46,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463790554] [2021-05-01 08:14:46,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-05-01 08:14:46,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:46,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-05-01 08:14:46,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1609, Invalid=2173, Unknown=0, NotChecked=0, Total=3782 [2021-05-01 08:14:46,190 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand has 60 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 58 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:49,601 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2021-05-01 08:14:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-01 08:14:49,602 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 58 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2021-05-01 08:14:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:49,602 INFO L225 Difference]: With dead ends: 72 [2021-05-01 08:14:49,602 INFO L226 Difference]: Without dead ends: 67 [2021-05-01 08:14:49,603 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1438 ImplicationChecksByTransitivity, 5433.4ms TimeCoverageRelationStatistics Valid=4742, Invalid=8598, Unknown=0, NotChecked=0, Total=13340 [2021-05-01 08:14:49,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-05-01 08:14:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-05-01 08:14:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2021-05-01 08:14:49,609 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2021-05-01 08:14:49,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:49,609 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2021-05-01 08:14:49,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 60 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 58 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2021-05-01 08:14:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-05-01 08:14:49,610 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:49,610 INFO L519 BasicCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:49,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-05-01 08:14:49,610 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:49,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash -193008680, now seen corresponding path program 54 times [2021-05-01 08:14:49,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:49,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219802352] [2021-05-01 08:14:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:49,614 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1598 100) InVars {main_~i~0=v_main_~i~0_1598} OutVars{main_~i~0=v_main_~i~0_1598} AuxVars[] AssignedVars[] [2021-05-01 08:14:49,615 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:49,625 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,627 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,630 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,633 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,636 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,636 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,639 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,641 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:49,642 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:49,644 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:49,646 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,648 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,650 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,652 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,653 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:49,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:49,670 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:49,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,687 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:49,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:49,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:49,739 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:49,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:49,765 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:49,766 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:49,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,804 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,823 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,865 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,888 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,966 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:49,993 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:49,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,098 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,131 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,207 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,260 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,306 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,427 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,471 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,512 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,554 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,599 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,692 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,738 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,786 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,882 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,932 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:50,982 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:50,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,033 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,086 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,208 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,265 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,321 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,379 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,439 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,498 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,747 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:51,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:51,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:52,009 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:52,076 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:52,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:52,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:52,214 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:52,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:52,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:52,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:52,288 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:52,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219802352] [2021-05-01 08:14:52,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1219802352] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:52,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:52,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2021-05-01 08:14:52,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779549921] [2021-05-01 08:14:52,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-05-01 08:14:52,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:52,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-05-01 08:14:52,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1666, Invalid=2240, Unknown=0, NotChecked=0, Total=3906 [2021-05-01 08:14:52,290 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand has 61 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 59 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:56,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:14:56,199 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2021-05-01 08:14:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-01 08:14:56,200 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 59 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2021-05-01 08:14:56,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:14:56,201 INFO L225 Difference]: With dead ends: 73 [2021-05-01 08:14:56,201 INFO L226 Difference]: Without dead ends: 68 [2021-05-01 08:14:56,201 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1492 ImplicationChecksByTransitivity, 6011.8ms TimeCoverageRelationStatistics Valid=4912, Invalid=8894, Unknown=0, NotChecked=0, Total=13806 [2021-05-01 08:14:56,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-05-01 08:14:56,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-05-01 08:14:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2021-05-01 08:14:56,208 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2021-05-01 08:14:56,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:14:56,208 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2021-05-01 08:14:56,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 61 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 59 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:14:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2021-05-01 08:14:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-05-01 08:14:56,208 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:14:56,209 INFO L519 BasicCegarLoop]: trace histogram [55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:14:56,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-05-01 08:14:56,209 INFO L428 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:14:56,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:14:56,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1652912954, now seen corresponding path program 55 times [2021-05-01 08:14:56,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:14:56,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88118601] [2021-05-01 08:14:56,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:14:56,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:14:56,216 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1655 100) InVars {main_~i~0=v_main_~i~0_1655} OutVars{main_~i~0=v_main_~i~0_1655} AuxVars[] AssignedVars[] [2021-05-01 08:14:56,217 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:14:56,219 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,222 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,224 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,226 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,229 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,230 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,234 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,237 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:56,237 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:14:56,240 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:14:56,242 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,244 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,247 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,250 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,251 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:14:56,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:14:56,267 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:14:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:56,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,285 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:14:56,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:14:56,297 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:14:56,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:14:56,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:14:56,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:14:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:14:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:14:56,344 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:14:56,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:14:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:56,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:14:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:14:56,373 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:14:56,375 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:14:56,400 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,421 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,441 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,464 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,489 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,511 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,534 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,560 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,588 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,616 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,675 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,706 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,738 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,805 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,839 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,913 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:56,990 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:56,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,030 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,125 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,167 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,211 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,256 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,302 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,349 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,397 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,496 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,546 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,599 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,705 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,931 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:57,989 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:57,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,052 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,116 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,241 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,309 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,379 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,541 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,617 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,692 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,769 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,922 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:14:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:14:58,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:14:58,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:14:58,998 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:14:58,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88118601] [2021-05-01 08:14:58,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [88118601] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:14:58,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:14:58,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2021-05-01 08:14:58,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981845446] [2021-05-01 08:14:58,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-05-01 08:14:58,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:14:58,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-05-01 08:14:59,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1724, Invalid=2308, Unknown=0, NotChecked=0, Total=4032 [2021-05-01 08:14:59,000 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand has 62 states, 61 states have (on average 1.0327868852459017) internal successors, (63), 60 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:04,120 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2021-05-01 08:15:04,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-05-01 08:15:04,123 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 1.0327868852459017) internal successors, (63), 60 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2021-05-01 08:15:04,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:04,124 INFO L225 Difference]: With dead ends: 74 [2021-05-01 08:15:04,124 INFO L226 Difference]: Without dead ends: 69 [2021-05-01 08:15:04,125 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 7144.6ms TimeCoverageRelationStatistics Valid=5085, Invalid=9195, Unknown=0, NotChecked=0, Total=14280 [2021-05-01 08:15:04,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-05-01 08:15:04,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-05-01 08:15:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2021-05-01 08:15:04,160 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2021-05-01 08:15:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:04,160 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2021-05-01 08:15:04,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 61 states have (on average 1.0327868852459017) internal successors, (63), 60 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2021-05-01 08:15:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-01 08:15:04,161 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:04,161 INFO L519 BasicCegarLoop]: trace histogram [56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:04,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-05-01 08:15:04,161 INFO L428 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:04,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:04,164 INFO L82 PathProgramCache]: Analyzing trace with hash 334694808, now seen corresponding path program 56 times [2021-05-01 08:15:04,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:04,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001911096] [2021-05-01 08:15:04,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:04,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:04,184 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1713 100) InVars {main_~i~0=v_main_~i~0_1713} OutVars{main_~i~0=v_main_~i~0_1713} AuxVars[] AssignedVars[] [2021-05-01 08:15:04,186 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:04,188 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,190 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,193 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,195 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,197 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,197 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,201 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:04,205 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,206 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:04,209 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:04,211 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,214 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,218 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,220 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,220 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:04,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:04,239 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:04,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:04,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,258 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:04,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:04,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:04,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:04,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:04,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:04,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:04,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:04,319 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:15:04,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:04,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:04,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:15:04,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:15:04,340 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:15:04,341 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:04,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,428 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,451 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,476 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,504 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,532 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,560 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,587 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,746 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,781 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,817 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,854 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,893 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,931 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:04,970 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:04,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,009 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,050 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,090 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,135 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,233 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,326 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,374 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,424 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,476 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,529 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,583 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,701 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,761 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:05,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,008 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,137 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,203 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,336 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,480 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,566 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,900 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:06,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:06,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:07,063 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:07,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:07,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:07,144 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:07,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001911096] [2021-05-01 08:15:07,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2001911096] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:07,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:07,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-05-01 08:15:07,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396199477] [2021-05-01 08:15:07,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-01 08:15:07,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:07,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-01 08:15:07,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1783, Invalid=2377, Unknown=0, NotChecked=0, Total=4160 [2021-05-01 08:15:07,146 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand has 63 states, 62 states have (on average 1.032258064516129) internal successors, (64), 61 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:11,264 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2021-05-01 08:15:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-05-01 08:15:11,265 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 1.032258064516129) internal successors, (64), 61 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2021-05-01 08:15:11,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:11,265 INFO L225 Difference]: With dead ends: 75 [2021-05-01 08:15:11,265 INFO L226 Difference]: Without dead ends: 70 [2021-05-01 08:15:11,266 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1603 ImplicationChecksByTransitivity, 6668.0ms TimeCoverageRelationStatistics Valid=5261, Invalid=9501, Unknown=0, NotChecked=0, Total=14762 [2021-05-01 08:15:11,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-05-01 08:15:11,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-05-01 08:15:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2021-05-01 08:15:11,274 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2021-05-01 08:15:11,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:11,274 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2021-05-01 08:15:11,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 62 states have (on average 1.032258064516129) internal successors, (64), 61 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2021-05-01 08:15:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-05-01 08:15:11,274 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:11,275 INFO L519 BasicCegarLoop]: trace histogram [57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:11,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-05-01 08:15:11,275 INFO L428 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:11,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:11,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1820993286, now seen corresponding path program 57 times [2021-05-01 08:15:11,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:11,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893256934] [2021-05-01 08:15:11,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:11,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:11,282 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1772 100) InVars {main_~i~0=v_main_~i~0_1772} OutVars{main_~i~0=v_main_~i~0_1772} AuxVars[] AssignedVars[] [2021-05-01 08:15:11,284 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:11,287 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,289 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,291 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,293 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,295 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,296 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,300 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:11,302 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,302 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:11,305 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:11,309 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,311 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,313 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,316 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,316 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:11,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:11,334 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:11,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:11,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:11,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:11,365 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:11,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:11,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:11,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:11,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:11,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:11,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:11,407 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:15:11,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:11,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:11,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:15:11,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:15:11,434 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:15:11,434 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:11,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,477 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,519 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,541 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,589 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,640 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,666 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,694 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,722 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,751 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,782 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,826 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,930 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:11,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:11,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,005 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,084 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,127 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,261 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,622 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,688 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:12,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:12,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,048 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,203 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,285 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,446 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,606 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,682 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,755 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,834 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:13,985 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:13,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:14,055 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:14,133 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:14,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:14,212 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:14,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:14,287 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:14,362 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:14,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:14,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:14,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:14,450 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:14,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893256934] [2021-05-01 08:15:14,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1893256934] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:14,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:14,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2021-05-01 08:15:14,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604996450] [2021-05-01 08:15:14,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-05-01 08:15:14,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:14,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-05-01 08:15:14,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1843, Invalid=2447, Unknown=0, NotChecked=0, Total=4290 [2021-05-01 08:15:14,452 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand has 64 states, 63 states have (on average 1.0317460317460319) internal successors, (65), 62 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:18,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:18,727 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2021-05-01 08:15:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-01 08:15:18,729 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 1.0317460317460319) internal successors, (65), 62 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2021-05-01 08:15:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:18,729 INFO L225 Difference]: With dead ends: 76 [2021-05-01 08:15:18,729 INFO L226 Difference]: Without dead ends: 71 [2021-05-01 08:15:18,731 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 6890.2ms TimeCoverageRelationStatistics Valid=5440, Invalid=9812, Unknown=0, NotChecked=0, Total=15252 [2021-05-01 08:15:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-05-01 08:15:18,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-05-01 08:15:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2021-05-01 08:15:18,737 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2021-05-01 08:15:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:18,737 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2021-05-01 08:15:18,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 64 states, 63 states have (on average 1.0317460317460319) internal successors, (65), 62 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2021-05-01 08:15:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-05-01 08:15:18,738 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:18,738 INFO L519 BasicCegarLoop]: trace histogram [58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:18,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-05-01 08:15:18,738 INFO L428 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:18,738 INFO L82 PathProgramCache]: Analyzing trace with hash 651605848, now seen corresponding path program 58 times [2021-05-01 08:15:18,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:18,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819375872] [2021-05-01 08:15:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:18,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:18,744 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1832 100) InVars {main_~i~0=v_main_~i~0_1832} OutVars{main_~i~0=v_main_~i~0_1832} AuxVars[] AssignedVars[] [2021-05-01 08:15:18,747 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:18,750 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,752 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,754 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,757 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,759 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,759 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,762 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:18,764 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,765 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:18,767 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:18,771 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,773 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,776 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,778 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,778 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:18,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:18,795 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:18,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:18,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:18,813 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:18,827 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:18,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:18,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:18,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:18,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:18,871 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:15:18,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:18,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:18,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:15:18,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:15:18,894 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:15:18,895 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:18,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:18,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:18,937 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:18,955 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:18,976 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:18,996 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:18,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,019 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,068 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,127 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,187 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,220 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,366 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,486 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,550 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,605 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,657 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,713 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:19,998 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:19,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,058 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,115 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,173 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,299 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,555 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,611 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,666 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,806 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,873 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:20,945 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:20,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,104 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,342 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,422 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,501 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,581 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,658 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,744 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,837 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:21,923 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:21,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:22,010 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:22,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:22,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:22,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:22,092 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:22,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819375872] [2021-05-01 08:15:22,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [819375872] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:22,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:22,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2021-05-01 08:15:22,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453326237] [2021-05-01 08:15:22,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-05-01 08:15:22,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:22,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-05-01 08:15:22,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1904, Invalid=2518, Unknown=0, NotChecked=0, Total=4422 [2021-05-01 08:15:22,094 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand has 65 states, 64 states have (on average 1.03125) internal successors, (66), 63 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:27,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:27,334 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2021-05-01 08:15:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-05-01 08:15:27,335 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 1.03125) internal successors, (66), 63 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2021-05-01 08:15:27,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:27,336 INFO L225 Difference]: With dead ends: 77 [2021-05-01 08:15:27,336 INFO L226 Difference]: Without dead ends: 72 [2021-05-01 08:15:27,337 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1718 ImplicationChecksByTransitivity, 7863.2ms TimeCoverageRelationStatistics Valid=5622, Invalid=10128, Unknown=0, NotChecked=0, Total=15750 [2021-05-01 08:15:27,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-05-01 08:15:27,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-05-01 08:15:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2021-05-01 08:15:27,364 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2021-05-01 08:15:27,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:27,364 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2021-05-01 08:15:27,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 65 states, 64 states have (on average 1.03125) internal successors, (66), 63 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2021-05-01 08:15:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-05-01 08:15:27,365 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:27,365 INFO L519 BasicCegarLoop]: trace histogram [59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:27,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-05-01 08:15:27,365 INFO L428 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:27,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:27,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1239666362, now seen corresponding path program 59 times [2021-05-01 08:15:27,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:27,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095171892] [2021-05-01 08:15:27,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:27,372 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1893 100) InVars {main_~i~0=v_main_~i~0_1893} OutVars{main_~i~0=v_main_~i~0_1893} AuxVars[] AssignedVars[] [2021-05-01 08:15:27,375 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:27,380 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,384 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,389 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,393 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,397 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,398 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,404 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,410 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:27,411 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:27,415 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:27,421 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,426 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,430 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,434 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,435 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:27,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:27,473 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:27,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:27,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,504 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:27,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:27,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:27,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:27,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:27,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:27,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:27,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:27,612 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:15:27,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:27,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:27,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:15:27,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:15:27,653 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:15:27,654 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:27,691 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,723 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,755 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,785 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,818 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:27,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,022 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,067 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,171 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,256 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,313 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,414 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,446 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,511 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,543 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,576 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,611 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,648 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,688 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,781 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,827 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,878 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,927 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:28,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:28,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,030 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,082 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,135 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,190 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,242 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,541 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,687 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:29,920 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:29,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,001 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,220 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,323 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,425 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,525 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:30,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:30,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:30,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:30,730 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:30,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095171892] [2021-05-01 08:15:30,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1095171892] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:30,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:30,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2021-05-01 08:15:30,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734643947] [2021-05-01 08:15:30,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-05-01 08:15:30,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:30,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-05-01 08:15:30,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1966, Invalid=2590, Unknown=0, NotChecked=0, Total=4556 [2021-05-01 08:15:30,731 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand has 66 states, 65 states have (on average 1.0307692307692307) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:35,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:35,923 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2021-05-01 08:15:35,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-01 08:15:35,924 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 65 states have (on average 1.0307692307692307) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2021-05-01 08:15:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:35,925 INFO L225 Difference]: With dead ends: 78 [2021-05-01 08:15:35,925 INFO L226 Difference]: Without dead ends: 73 [2021-05-01 08:15:35,926 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1777 ImplicationChecksByTransitivity, 7892.6ms TimeCoverageRelationStatistics Valid=5807, Invalid=10449, Unknown=0, NotChecked=0, Total=16256 [2021-05-01 08:15:35,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-05-01 08:15:35,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-05-01 08:15:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 68 states have (on average 1.0147058823529411) internal successors, (69), 68 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2021-05-01 08:15:35,934 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2021-05-01 08:15:35,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:35,934 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2021-05-01 08:15:35,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 65 states have (on average 1.0307692307692307) internal successors, (67), 64 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2021-05-01 08:15:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-05-01 08:15:35,935 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:35,935 INFO L519 BasicCegarLoop]: trace histogram [60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:35,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-05-01 08:15:35,935 INFO L428 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:35,935 INFO L82 PathProgramCache]: Analyzing trace with hash 260437272, now seen corresponding path program 60 times [2021-05-01 08:15:35,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:35,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054180575] [2021-05-01 08:15:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:35,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:35,941 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_1955 100) InVars {main_~i~0=v_main_~i~0_1955} OutVars{main_~i~0=v_main_~i~0_1955} AuxVars[] AssignedVars[] [2021-05-01 08:15:35,942 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:35,945 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,947 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,950 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,953 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,957 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,958 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,962 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:35,964 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,964 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:35,966 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:35,969 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,971 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,973 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,975 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,976 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:35,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:35,995 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:36,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:36,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,011 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:36,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:36,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:36,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:36,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:36,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:36,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:36,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:36,069 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:15:36,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:36,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:36,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:15:36,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:15:36,091 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:15:36,092 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:36,116 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,136 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,157 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,196 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,217 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,287 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,313 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,342 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,409 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,498 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,593 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,715 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,769 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,819 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,870 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:36,976 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,033 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,088 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,143 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,254 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,316 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,377 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,440 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,506 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,642 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:37,932 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,074 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,147 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,214 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,558 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,650 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,737 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,829 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:38,916 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:38,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,085 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,362 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,547 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,640 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:39,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:39,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:39,736 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:39,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054180575] [2021-05-01 08:15:39,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2054180575] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:39,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:39,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-05-01 08:15:39,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436090836] [2021-05-01 08:15:39,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-05-01 08:15:39,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:39,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-05-01 08:15:39,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2029, Invalid=2663, Unknown=0, NotChecked=0, Total=4692 [2021-05-01 08:15:39,738 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand has 67 states, 66 states have (on average 1.0303030303030303) internal successors, (68), 65 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:44,283 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2021-05-01 08:15:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-05-01 08:15:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 66 states have (on average 1.0303030303030303) internal successors, (68), 65 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2021-05-01 08:15:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:44,284 INFO L225 Difference]: With dead ends: 79 [2021-05-01 08:15:44,284 INFO L226 Difference]: Without dead ends: 74 [2021-05-01 08:15:44,285 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1837 ImplicationChecksByTransitivity, 7843.8ms TimeCoverageRelationStatistics Valid=5995, Invalid=10775, Unknown=0, NotChecked=0, Total=16770 [2021-05-01 08:15:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-01 08:15:44,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-05-01 08:15:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 69 states have (on average 1.0144927536231885) internal successors, (70), 69 states have internal predecessors, (70), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2021-05-01 08:15:44,292 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2021-05-01 08:15:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:44,292 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2021-05-01 08:15:44,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 67 states, 66 states have (on average 1.0303030303030303) internal successors, (68), 65 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2021-05-01 08:15:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-05-01 08:15:44,292 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:44,292 INFO L519 BasicCegarLoop]: trace histogram [61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:44,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-05-01 08:15:44,292 INFO L428 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:44,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:44,293 INFO L82 PathProgramCache]: Analyzing trace with hash -480990330, now seen corresponding path program 61 times [2021-05-01 08:15:44,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:44,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196783337] [2021-05-01 08:15:44,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:44,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:44,297 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2018 100) InVars {main_~i~0=v_main_~i~0_2018} OutVars{main_~i~0=v_main_~i~0_2018} AuxVars[] AssignedVars[] [2021-05-01 08:15:44,298 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:44,301 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,304 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,306 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,308 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,310 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,310 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,314 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:44,316 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,316 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:44,319 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,321 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,323 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,325 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:44,327 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,327 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:44,344 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:44,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:44,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,360 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:44,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:44,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:44,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:44,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:44,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:44,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:44,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:44,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:44,413 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:15:44,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:44,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:44,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:15:44,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:15:44,435 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:15:44,435 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:44,457 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,475 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,493 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,513 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,534 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,557 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,580 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,603 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,654 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,693 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,720 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,749 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,779 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,846 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,880 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:44,987 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:44,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,067 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,114 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,185 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,265 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,415 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,572 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,641 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,686 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,777 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,826 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,924 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:45,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:45,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,237 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,301 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,356 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,412 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,471 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,531 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,590 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,650 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,713 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,777 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,839 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,902 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:46,974 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:47,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,123 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,202 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:47,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,280 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:47,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,446 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:47,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:47,529 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:47,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196783337] [2021-05-01 08:15:47,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1196783337] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:47,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:47,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2021-05-01 08:15:47,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375896643] [2021-05-01 08:15:47,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-05-01 08:15:47,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:47,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-05-01 08:15:47,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2093, Invalid=2737, Unknown=0, NotChecked=0, Total=4830 [2021-05-01 08:15:47,531 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand has 68 states, 67 states have (on average 1.0298507462686568) internal successors, (69), 66 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:52,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:15:52,916 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2021-05-01 08:15:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-05-01 08:15:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 67 states have (on average 1.0298507462686568) internal successors, (69), 66 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2021-05-01 08:15:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:15:52,917 INFO L225 Difference]: With dead ends: 80 [2021-05-01 08:15:52,917 INFO L226 Difference]: Without dead ends: 75 [2021-05-01 08:15:52,918 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1898 ImplicationChecksByTransitivity, 8158.4ms TimeCoverageRelationStatistics Valid=6186, Invalid=11106, Unknown=0, NotChecked=0, Total=17292 [2021-05-01 08:15:52,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-05-01 08:15:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-05-01 08:15:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.0142857142857142) internal successors, (71), 70 states have internal predecessors, (71), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2021-05-01 08:15:52,925 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2021-05-01 08:15:52,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:15:52,925 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2021-05-01 08:15:52,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 68 states, 67 states have (on average 1.0298507462686568) internal successors, (69), 66 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:15:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2021-05-01 08:15:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-05-01 08:15:52,926 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:15:52,926 INFO L519 BasicCegarLoop]: trace histogram [62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:15:52,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-05-01 08:15:52,926 INFO L428 AbstractCegarLoop]: === Iteration 63 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:15:52,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:15:52,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1990409512, now seen corresponding path program 62 times [2021-05-01 08:15:52,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:15:52,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930641063] [2021-05-01 08:15:52,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:15:52,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:15:52,934 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2082 100) InVars {main_~i~0=v_main_~i~0_2082} OutVars{main_~i~0=v_main_~i~0_2082} AuxVars[] AssignedVars[] [2021-05-01 08:15:52,937 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:15:52,940 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,942 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,945 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,947 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,950 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,950 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,955 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,960 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:52,960 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:15:52,963 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,965 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,967 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:15:52,969 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,974 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,975 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:15:52,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:15:52,997 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:15:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:15:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:15:53,032 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:15:53,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:15:53,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:15:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:15:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:15:53,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:15:53,085 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:15:53,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:15:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:15:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:15:53,116 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:15:53,117 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:15:53,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,166 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,187 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,216 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,242 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,331 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,394 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,465 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,505 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,580 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,660 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,704 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,744 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,789 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:53,936 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,001 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,122 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,184 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,254 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,326 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,390 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,459 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,526 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,822 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:54,958 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,033 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,111 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,425 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,504 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,843 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:55,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,275 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,537 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,666 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,805 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:56,935 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:56,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:57,071 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:57,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:57,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:57,315 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:15:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:15:57,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:15:57,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:15:57,425 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:15:57,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930641063] [2021-05-01 08:15:57,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1930641063] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:15:57,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:15:57,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2021-05-01 08:15:57,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420535915] [2021-05-01 08:15:57,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-05-01 08:15:57,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:15:57,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-05-01 08:15:57,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2158, Invalid=2812, Unknown=0, NotChecked=0, Total=4970 [2021-05-01 08:15:57,426 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand has 69 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:02,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:16:02,712 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2021-05-01 08:16:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-05-01 08:16:02,713 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2021-05-01 08:16:02,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:16:02,714 INFO L225 Difference]: With dead ends: 81 [2021-05-01 08:16:02,714 INFO L226 Difference]: Without dead ends: 76 [2021-05-01 08:16:02,715 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1960 ImplicationChecksByTransitivity, 9304.6ms TimeCoverageRelationStatistics Valid=6380, Invalid=11442, Unknown=0, NotChecked=0, Total=17822 [2021-05-01 08:16:02,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-05-01 08:16:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-05-01 08:16:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 71 states have (on average 1.0140845070422535) internal successors, (72), 71 states have internal predecessors, (72), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2021-05-01 08:16:02,723 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2021-05-01 08:16:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:16:02,723 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2021-05-01 08:16:02,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 69 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2021-05-01 08:16:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-05-01 08:16:02,724 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:16:02,724 INFO L519 BasicCegarLoop]: trace histogram [63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:16:02,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-05-01 08:16:02,724 INFO L428 AbstractCegarLoop]: === Iteration 64 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:16:02,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:16:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1537763898, now seen corresponding path program 63 times [2021-05-01 08:16:02,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:16:02,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866704274] [2021-05-01 08:16:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:16:02,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:16:02,733 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2147 100) InVars {main_~i~0=v_main_~i~0_2147} OutVars{main_~i~0=v_main_~i~0_2147} AuxVars[] AssignedVars[] [2021-05-01 08:16:02,734 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:16:02,737 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,739 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,742 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,744 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,747 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,749 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,753 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,759 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:02,760 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:16:02,765 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:02,769 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,773 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,776 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,778 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,779 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:16:02,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:16:02,800 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:16:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:02,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:02,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:02,845 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:16:02,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:16:02,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:16:02,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:16:02,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:02,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:02,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:02,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:16:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:02,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:16:02,991 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:16:02,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:16:02,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:02,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:16:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:16:03,041 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:16:03,043 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:16:03,098 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,171 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,231 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,265 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,337 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,374 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,495 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,581 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,675 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,772 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,824 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,931 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:03,998 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:03,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,218 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,331 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,389 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,447 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,509 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,644 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,783 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:04,947 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,015 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,085 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,224 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,301 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,370 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,461 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,553 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,645 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,749 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:05,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:05,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,122 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,307 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,402 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,492 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,675 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,779 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:06,970 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:06,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:07,072 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:07,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:07,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:07,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:07,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:07,288 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:16:07,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866704274] [2021-05-01 08:16:07,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [866704274] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:16:07,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:16:07,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2021-05-01 08:16:07,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875917213] [2021-05-01 08:16:07,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-05-01 08:16:07,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:16:07,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-05-01 08:16:07,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2224, Invalid=2888, Unknown=0, NotChecked=0, Total=5112 [2021-05-01 08:16:07,290 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand has 70 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 68 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:16,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:16:16,089 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2021-05-01 08:16:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-01 08:16:16,092 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 68 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2021-05-01 08:16:16,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:16:16,092 INFO L225 Difference]: With dead ends: 82 [2021-05-01 08:16:16,092 INFO L226 Difference]: Without dead ends: 77 [2021-05-01 08:16:16,094 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 12724.1ms TimeCoverageRelationStatistics Valid=6577, Invalid=11783, Unknown=0, NotChecked=0, Total=18360 [2021-05-01 08:16:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-05-01 08:16:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-05-01 08:16:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 72 states have internal predecessors, (73), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2021-05-01 08:16:16,103 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2021-05-01 08:16:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:16:16,103 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2021-05-01 08:16:16,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 68 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2021-05-01 08:16:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-05-01 08:16:16,106 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:16:16,106 INFO L519 BasicCegarLoop]: trace histogram [64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:16:16,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-05-01 08:16:16,106 INFO L428 AbstractCegarLoop]: === Iteration 65 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:16:16,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:16:16,106 INFO L82 PathProgramCache]: Analyzing trace with hash -390651752, now seen corresponding path program 64 times [2021-05-01 08:16:16,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:16:16,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395133481] [2021-05-01 08:16:16,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:16:16,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:16:16,113 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2213 100) InVars {main_~i~0=v_main_~i~0_2213} OutVars{main_~i~0=v_main_~i~0_2213} AuxVars[] AssignedVars[] [2021-05-01 08:16:16,116 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:16:16,119 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,124 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,126 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,128 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,130 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,131 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,137 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:16,139 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,140 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:16:16,142 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:16,144 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,146 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,149 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,151 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,152 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:16:16,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:16:16,170 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:16:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:16,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,213 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:16:16,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:16:16,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:16:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:16:16,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:16,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:16:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:16,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:16:16,296 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:16:16,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:16:16,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:16:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:16:16,344 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:16:16,345 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:16:16,394 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,427 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,526 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,626 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,678 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,733 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,789 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:16,989 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,061 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,127 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,336 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,413 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,488 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,581 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,681 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,773 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:17,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,196 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,305 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,516 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,596 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,688 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,784 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:18,885 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,006 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,112 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,231 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,379 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,513 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,799 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:19,944 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:19,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:20,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:20,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:20,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:20,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:20,532 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:20,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:20,688 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:20,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:20,854 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:20,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:21,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:21,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:21,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:21,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:21,367 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:21,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:21,534 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:21,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:21,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:21,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:21,901 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:21,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:22,088 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:22,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:22,473 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:22,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:22,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:22,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:22,853 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:22,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:23,048 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:23,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:23,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:23,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:23,436 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:23,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:23,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:23,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:23,821 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:16:23,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395133481] [2021-05-01 08:16:23,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [395133481] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:16:23,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:16:23,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2021-05-01 08:16:23,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419323500] [2021-05-01 08:16:23,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-05-01 08:16:23,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:16:23,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-05-01 08:16:23,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2291, Invalid=2965, Unknown=0, NotChecked=0, Total=5256 [2021-05-01 08:16:23,823 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand has 71 states, 70 states have (on average 1.0285714285714285) internal successors, (72), 69 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:32,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:16:32,672 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2021-05-01 08:16:32,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-05-01 08:16:32,674 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 1.0285714285714285) internal successors, (72), 69 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2021-05-01 08:16:32,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:16:32,674 INFO L225 Difference]: With dead ends: 83 [2021-05-01 08:16:32,674 INFO L226 Difference]: Without dead ends: 78 [2021-05-01 08:16:32,675 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2087 ImplicationChecksByTransitivity, 15797.6ms TimeCoverageRelationStatistics Valid=6777, Invalid=12129, Unknown=0, NotChecked=0, Total=18906 [2021-05-01 08:16:32,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-05-01 08:16:32,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-05-01 08:16:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 73 states have (on average 1.0136986301369864) internal successors, (74), 73 states have internal predecessors, (74), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2021-05-01 08:16:32,682 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2021-05-01 08:16:32,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:16:32,682 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2021-05-01 08:16:32,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 70 states have (on average 1.0285714285714285) internal successors, (72), 69 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2021-05-01 08:16:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-05-01 08:16:32,683 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:16:32,683 INFO L519 BasicCegarLoop]: trace histogram [65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:16:32,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-05-01 08:16:32,683 INFO L428 AbstractCegarLoop]: === Iteration 66 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:16:32,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:16:32,683 INFO L82 PathProgramCache]: Analyzing trace with hash 810086406, now seen corresponding path program 65 times [2021-05-01 08:16:32,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:16:32,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079613716] [2021-05-01 08:16:32,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:16:32,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:16:32,688 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2280 100) InVars {main_~i~0=v_main_~i~0_2280} OutVars{main_~i~0=v_main_~i~0_2280} AuxVars[] AssignedVars[] [2021-05-01 08:16:32,690 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:16:32,691 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,698 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:32,701 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,701 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:16:32,704 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:32,707 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,710 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,715 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,719 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,723 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,726 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,729 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,731 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,733 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,733 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:16:32,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:16:32,755 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:16:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:32,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:32,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:32,775 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:16:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:16:32,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:16:32,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:16:32,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:32,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:32,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:16:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:32,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:16:32,845 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:16:32,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:16:32,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:32,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:16:32,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:16:32,875 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:16:32,876 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:16:32,904 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:32,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:32,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:32,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:32,956 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:32,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:32,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,008 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,046 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,077 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,108 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,174 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,244 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,350 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,449 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,502 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,556 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,622 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,687 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,745 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,802 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,930 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:33,999 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,061 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,129 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,256 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,452 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,517 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,720 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,792 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:34,947 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,110 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,366 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,482 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,594 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,801 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:35,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:35,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,196 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,299 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,400 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,492 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,594 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,805 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:36,906 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:36,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:37,016 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:37,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:37,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:37,234 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:37,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:37,425 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:37,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:37,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:37,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:37,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:37,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:37,806 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:16:37,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079613716] [2021-05-01 08:16:37,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2079613716] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:16:37,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:16:37,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [72] imperfect sequences [] total 72 [2021-05-01 08:16:37,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702282594] [2021-05-01 08:16:37,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-05-01 08:16:37,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:16:37,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-05-01 08:16:37,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2359, Invalid=3043, Unknown=0, NotChecked=0, Total=5402 [2021-05-01 08:16:37,808 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand has 72 states, 71 states have (on average 1.028169014084507) internal successors, (73), 70 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:47,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:16:47,280 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2021-05-01 08:16:47,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-05-01 08:16:47,281 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 71 states have (on average 1.028169014084507) internal successors, (73), 70 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2021-05-01 08:16:47,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:16:47,282 INFO L225 Difference]: With dead ends: 84 [2021-05-01 08:16:47,282 INFO L226 Difference]: Without dead ends: 79 [2021-05-01 08:16:47,283 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 13621.6ms TimeCoverageRelationStatistics Valid=6980, Invalid=12480, Unknown=0, NotChecked=0, Total=19460 [2021-05-01 08:16:47,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-05-01 08:16:47,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-05-01 08:16:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 74 states have (on average 1.0135135135135136) internal successors, (75), 74 states have internal predecessors, (75), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2021-05-01 08:16:47,292 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2021-05-01 08:16:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:16:47,293 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2021-05-01 08:16:47,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 72 states, 71 states have (on average 1.028169014084507) internal successors, (73), 70 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2021-05-01 08:16:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-05-01 08:16:47,293 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:16:47,293 INFO L519 BasicCegarLoop]: trace histogram [66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:16:47,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-05-01 08:16:47,294 INFO L428 AbstractCegarLoop]: === Iteration 67 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:16:47,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:16:47,294 INFO L82 PathProgramCache]: Analyzing trace with hash -621736360, now seen corresponding path program 66 times [2021-05-01 08:16:47,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:16:47,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700441593] [2021-05-01 08:16:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:16:47,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:16:47,302 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2348 100) InVars {main_~i~0=v_main_~i~0_2348} OutVars{main_~i~0=v_main_~i~0_2348} AuxVars[] AssignedVars[] [2021-05-01 08:16:47,304 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:16:47,311 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,314 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,318 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,323 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,330 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,332 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,337 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,341 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:47,342 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:16:47,348 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:16:47,352 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,356 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,363 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,370 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,371 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:16:47,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:16:47,407 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:16:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:47,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:47,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,436 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:16:47,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:16:47,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:16:47,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:16:47,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:47,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:16:47,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:47,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:16:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:16:47,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:16:47,548 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:16:47,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:16:47,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:47,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:16:47,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:16:47,605 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:16:47,607 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:16:47,657 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,702 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,740 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,780 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,830 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,885 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,936 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:47,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:47,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,165 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,233 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,289 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,356 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,498 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,627 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,748 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:48,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,102 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,392 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,503 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,617 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:49,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:49,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,067 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,182 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,305 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,433 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,572 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,708 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:50,985 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:50,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:51,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:51,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:51,409 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:51,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:51,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:51,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:51,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:51,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:52,017 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:52,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:52,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:52,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:52,351 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:52,514 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:52,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:52,689 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:52,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:52,869 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:52,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:53,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:53,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:53,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:53,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:53,369 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:53,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:53,540 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:53,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:53,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:53,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:53,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:53,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:54,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:54,322 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:54,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:54,520 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:54,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:54,717 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:54,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:54,924 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:54,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:55,218 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:55,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:55,468 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:55,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:55,690 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:55,897 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:55,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:56,116 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:16:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:16:56,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:16:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:16:56,339 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:16:56,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700441593] [2021-05-01 08:16:56,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [700441593] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:16:56,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:16:56,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2021-05-01 08:16:56,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968471630] [2021-05-01 08:16:56,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-05-01 08:16:56,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:16:56,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-05-01 08:16:56,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2428, Invalid=3122, Unknown=0, NotChecked=0, Total=5550 [2021-05-01 08:16:56,341 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand has 73 states, 72 states have (on average 1.0277777777777777) internal successors, (74), 71 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:16:56,780 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:16:58,644 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-05-01 08:17:08,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:08,981 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2021-05-01 08:17:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-05-01 08:17:08,982 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 72 states have (on average 1.0277777777777777) internal successors, (74), 71 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-05-01 08:17:08,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:08,983 INFO L225 Difference]: With dead ends: 85 [2021-05-01 08:17:08,983 INFO L226 Difference]: Without dead ends: 80 [2021-05-01 08:17:08,984 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2218 ImplicationChecksByTransitivity, 20210.2ms TimeCoverageRelationStatistics Valid=7186, Invalid=12836, Unknown=0, NotChecked=0, Total=20022 [2021-05-01 08:17:08,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-05-01 08:17:08,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-05-01 08:17:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.0133333333333334) internal successors, (76), 75 states have internal predecessors, (76), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2021-05-01 08:17:08,994 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2021-05-01 08:17:08,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:08,994 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2021-05-01 08:17:08,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 73 states, 72 states have (on average 1.0277777777777777) internal successors, (74), 71 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2021-05-01 08:17:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-05-01 08:17:08,995 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:08,995 INFO L519 BasicCegarLoop]: trace histogram [67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:08,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-05-01 08:17:08,995 INFO L428 AbstractCegarLoop]: === Iteration 68 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:08,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:08,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2058569146, now seen corresponding path program 67 times [2021-05-01 08:17:08,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:08,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855113870] [2021-05-01 08:17:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:09,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:17:09,004 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2417 100) InVars {main_~i~0=v_main_~i~0_2417} OutVars{main_~i~0=v_main_~i~0_2417} AuxVars[] AssignedVars[] [2021-05-01 08:17:09,007 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:17:09,010 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,019 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,029 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:09,031 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:09,038 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:09,043 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,047 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,054 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,061 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,065 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,067 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,070 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,072 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,080 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,081 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:17:09,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:17:09,122 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:09,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,152 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:17:09,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:09,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:17:09,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:09,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:09,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:09,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:17:09,285 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:17:09,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:17:09,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:17:09,343 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:17:09,345 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:17:09,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,513 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,591 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,648 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,704 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,824 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,887 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:09,959 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:09,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,038 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,114 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,213 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,334 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,616 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,683 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,752 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,891 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:10,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:10,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,055 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,142 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,321 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,411 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,499 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,691 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,792 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:11,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,020 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,141 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,257 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,503 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,631 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,788 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:12,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:13,089 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:13,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:13,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:13,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:13,422 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:13,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:13,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:13,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:13,733 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:13,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:13,891 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:13,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:14,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:14,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:14,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:14,353 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:14,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:14,715 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:14,887 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:15,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:15,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:15,252 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:15,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:15,441 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:15,625 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:15,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:15,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:16,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:16,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:16,242 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:16,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:16,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:16,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:16,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:16,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:16,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:17,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:17,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:17,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:17,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:17,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:17,478 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:17,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855113870] [2021-05-01 08:17:17,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [855113870] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:17,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:17,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [] total 74 [2021-05-01 08:17:17,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835042721] [2021-05-01 08:17:17,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-05-01 08:17:17,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:17,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-05-01 08:17:17,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2498, Invalid=3202, Unknown=0, NotChecked=0, Total=5700 [2021-05-01 08:17:17,480 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand has 74 states, 73 states have (on average 1.0273972602739727) internal successors, (75), 72 states have internal predecessors, (75), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:17,874 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:17:25,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:25,868 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2021-05-01 08:17:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-05-01 08:17:25,869 INFO L78 Accepts]: Start accepts. Automaton has has 74 states, 73 states have (on average 1.0273972602739727) internal successors, (75), 72 states have internal predecessors, (75), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2021-05-01 08:17:25,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:25,870 INFO L225 Difference]: With dead ends: 86 [2021-05-01 08:17:25,870 INFO L226 Difference]: Without dead ends: 81 [2021-05-01 08:17:25,871 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2285 ImplicationChecksByTransitivity, 15738.4ms TimeCoverageRelationStatistics Valid=7395, Invalid=13197, Unknown=0, NotChecked=0, Total=20592 [2021-05-01 08:17:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-05-01 08:17:25,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-05-01 08:17:25,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 76 states have (on average 1.013157894736842) internal successors, (77), 76 states have internal predecessors, (77), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:25,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2021-05-01 08:17:25,879 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2021-05-01 08:17:25,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:25,880 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2021-05-01 08:17:25,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 73 states have (on average 1.0273972602739727) internal successors, (75), 72 states have internal predecessors, (75), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:25,880 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2021-05-01 08:17:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-05-01 08:17:25,880 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:25,880 INFO L519 BasicCegarLoop]: trace histogram [68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:25,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-05-01 08:17:25,881 INFO L428 AbstractCegarLoop]: === Iteration 69 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:25,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:25,881 INFO L82 PathProgramCache]: Analyzing trace with hash 644254744, now seen corresponding path program 68 times [2021-05-01 08:17:25,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:25,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574303208] [2021-05-01 08:17:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:25,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:17:25,887 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2487 100) InVars {main_~i~0=v_main_~i~0_2487} OutVars{main_~i~0=v_main_~i~0_2487} AuxVars[] AssignedVars[] [2021-05-01 08:17:25,889 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:17:25,890 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,894 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,898 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:25,898 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:25,902 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:25,905 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,907 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,910 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,914 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,917 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,920 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,922 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,924 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,927 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,927 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:17:25,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:17:25,950 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:25,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:25,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:25,971 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:17:25,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:25,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:17:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:25,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:26,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:26,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:26,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:26,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:17:26,045 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:17:26,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:26,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:26,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:17:26,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:17:26,074 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:17:26,075 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:17:26,105 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,208 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,266 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,330 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,400 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,474 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,513 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,553 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,594 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,635 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,724 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,819 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,869 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,917 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:26,970 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:26,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,023 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,077 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,243 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,304 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,477 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,614 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,690 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,762 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:27,982 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:27,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:28,154 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:28,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:28,320 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:28,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:28,487 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:28,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:28,660 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:28,826 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:28,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,161 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,275 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,446 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,589 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:29,929 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:29,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,045 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,169 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,306 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,458 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,813 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:30,935 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:30,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:31,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:31,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:31,243 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:31,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:31,400 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:31,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:31,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:31,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:31,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:31,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:31,892 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:32,047 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:32,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:32,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:32,198 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:32,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574303208] [2021-05-01 08:17:32,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [574303208] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:32,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:32,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2021-05-01 08:17:32,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901361726] [2021-05-01 08:17:32,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-05-01 08:17:32,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:32,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-05-01 08:17:32,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2569, Invalid=3283, Unknown=0, NotChecked=0, Total=5852 [2021-05-01 08:17:32,200 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand has 75 states, 74 states have (on average 1.027027027027027) internal successors, (76), 73 states have internal predecessors, (76), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:45,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:45,088 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2021-05-01 08:17:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-05-01 08:17:45,091 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 74 states have (on average 1.027027027027027) internal successors, (76), 73 states have internal predecessors, (76), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 80 [2021-05-01 08:17:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:45,091 INFO L225 Difference]: With dead ends: 87 [2021-05-01 08:17:45,091 INFO L226 Difference]: Without dead ends: 82 [2021-05-01 08:17:45,093 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2353 ImplicationChecksByTransitivity, 18510.8ms TimeCoverageRelationStatistics Valid=7607, Invalid=13563, Unknown=0, NotChecked=0, Total=21170 [2021-05-01 08:17:45,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-05-01 08:17:45,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-05-01 08:17:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 77 states have (on average 1.0129870129870129) internal successors, (78), 77 states have internal predecessors, (78), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2021-05-01 08:17:45,101 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2021-05-01 08:17:45,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:45,101 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2021-05-01 08:17:45,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 74 states have (on average 1.027027027027027) internal successors, (76), 73 states have internal predecessors, (76), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2021-05-01 08:17:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-05-01 08:17:45,102 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:45,102 INFO L519 BasicCegarLoop]: trace histogram [69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:45,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-05-01 08:17:45,102 INFO L428 AbstractCegarLoop]: === Iteration 70 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:45,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1467550586, now seen corresponding path program 69 times [2021-05-01 08:17:45,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:45,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442813380] [2021-05-01 08:17:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:45,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:17:45,112 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2558 100) InVars {main_~i~0=v_main_~i~0_2558} OutVars{main_~i~0=v_main_~i~0_2558} AuxVars[] AssignedVars[] [2021-05-01 08:17:45,115 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:17:45,117 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,126 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:45,131 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,132 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:45,139 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:45,144 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,149 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,154 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,163 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,168 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,172 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,178 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,184 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,190 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,192 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:17:45,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:17:45,247 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:45,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:45,286 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:17:45,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:45,325 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:17:45,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:45,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:45,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:45,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:45,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:45,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:17:45,468 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:17:45,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:45,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:17:45,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:17:45,533 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:17:45,535 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:17:45,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:45,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:45,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:45,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:45,737 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:45,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:45,807 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:45,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:45,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:45,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:45,950 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:45,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,260 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,294 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,331 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,368 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,407 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,447 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,533 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,626 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,672 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,771 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,872 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:46,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:46,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,165 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,285 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,408 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,641 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,853 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:47,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:47,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,103 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,256 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,335 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,526 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,726 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:48,934 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:49,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:49,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:49,381 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:49,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:49,627 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:49,837 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:49,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:49,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:49,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,029 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,365 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,465 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,656 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,740 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,821 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:50,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:50,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:51,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:51,439 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:51,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:51,696 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:51,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:51,963 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:52,303 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:17:52,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:17:52,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:52,544 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:52,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442813380] [2021-05-01 08:17:52,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1442813380] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:52,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:52,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [76] imperfect sequences [] total 76 [2021-05-01 08:17:52,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153864524] [2021-05-01 08:17:52,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-05-01 08:17:52,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:52,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-05-01 08:17:52,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2641, Invalid=3365, Unknown=0, NotChecked=0, Total=6006 [2021-05-01 08:17:52,546 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand has 76 states, 75 states have (on average 1.0266666666666666) internal successors, (77), 74 states have internal predecessors, (77), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:17:53,162 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:18:02,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:02,696 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2021-05-01 08:18:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-01 08:18:02,699 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 75 states have (on average 1.0266666666666666) internal successors, (77), 74 states have internal predecessors, (77), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2021-05-01 08:18:02,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:02,699 INFO L225 Difference]: With dead ends: 88 [2021-05-01 08:18:02,699 INFO L226 Difference]: Without dead ends: 83 [2021-05-01 08:18:02,701 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2422 ImplicationChecksByTransitivity, 15944.4ms TimeCoverageRelationStatistics Valid=7822, Invalid=13934, Unknown=0, NotChecked=0, Total=21756 [2021-05-01 08:18:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-05-01 08:18:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-05-01 08:18:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 78 states have internal predecessors, (79), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2021-05-01 08:18:02,719 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2021-05-01 08:18:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:02,719 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2021-05-01 08:18:02,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 76 states, 75 states have (on average 1.0266666666666666) internal successors, (77), 74 states have internal predecessors, (77), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2021-05-01 08:18:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-05-01 08:18:02,720 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:02,720 INFO L519 BasicCegarLoop]: trace histogram [70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:02,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-05-01 08:18:02,720 INFO L428 AbstractCegarLoop]: === Iteration 71 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:02,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:02,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1785960920, now seen corresponding path program 70 times [2021-05-01 08:18:02,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:02,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111223341] [2021-05-01 08:18:02,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:02,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:18:02,743 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2630 100) InVars {main_~i~0=v_main_~i~0_2630} OutVars{main_~i~0=v_main_~i~0_2630} AuxVars[] AssignedVars[] [2021-05-01 08:18:02,747 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:18:02,749 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,756 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,766 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:02,768 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:02,778 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,783 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,789 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,796 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:02,805 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,811 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,816 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,823 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,830 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,836 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,838 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:18:02,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:18:02,911 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:02,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:02,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:02,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:02,962 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:18:02,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:03,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:18:03,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:03,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:03,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:03,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:03,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:03,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:03,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:03,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:03,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:18:03,139 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:18:03,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:03,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:03,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:18:03,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:18:03,198 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:18:03,200 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:18:03,280 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,412 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,512 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,625 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,703 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,798 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:03,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:03,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,070 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,155 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,350 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,548 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:04,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:04,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,016 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,134 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,252 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,342 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,447 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:05,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:05,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,289 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,424 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,566 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,813 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:06,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:06,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,090 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,267 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,556 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,653 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,846 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:07,947 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:07,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,064 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,219 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,354 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,585 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,696 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,813 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:08,953 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,086 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,217 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,474 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,593 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:09,956 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:09,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:10,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:10,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:10,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:10,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:10,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:10,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:10,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:10,845 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:10,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111223341] [2021-05-01 08:18:10,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1111223341] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:10,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:10,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2021-05-01 08:18:10,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616010723] [2021-05-01 08:18:10,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-05-01 08:18:10,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:10,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-05-01 08:18:10,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2714, Invalid=3448, Unknown=0, NotChecked=0, Total=6162 [2021-05-01 08:18:10,847 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand has 77 states, 76 states have (on average 1.0263157894736843) internal successors, (78), 75 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:11,337 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:18:20,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:20,282 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2021-05-01 08:18:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-01 08:18:20,284 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 76 states have (on average 1.0263157894736843) internal successors, (78), 75 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2021-05-01 08:18:20,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:20,285 INFO L225 Difference]: With dead ends: 89 [2021-05-01 08:18:20,285 INFO L226 Difference]: Without dead ends: 84 [2021-05-01 08:18:20,286 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2492 ImplicationChecksByTransitivity, 16065.3ms TimeCoverageRelationStatistics Valid=8040, Invalid=14310, Unknown=0, NotChecked=0, Total=22350 [2021-05-01 08:18:20,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-05-01 08:18:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-05-01 08:18:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2021-05-01 08:18:20,294 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2021-05-01 08:18:20,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:20,294 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2021-05-01 08:18:20,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 77 states, 76 states have (on average 1.0263157894736843) internal successors, (78), 75 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2021-05-01 08:18:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-05-01 08:18:20,295 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:20,295 INFO L519 BasicCegarLoop]: trace histogram [71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:20,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-05-01 08:18:20,295 INFO L428 AbstractCegarLoop]: === Iteration 72 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:20,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:20,295 INFO L82 PathProgramCache]: Analyzing trace with hash -434397498, now seen corresponding path program 71 times [2021-05-01 08:18:20,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:20,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952034276] [2021-05-01 08:18:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:18:20,303 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2703 100) InVars {main_~i~0=v_main_~i~0_2703} OutVars{main_~i~0=v_main_~i~0_2703} AuxVars[] AssignedVars[] [2021-05-01 08:18:20,305 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:18:20,309 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,313 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,316 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,320 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,324 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,325 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,330 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:20,334 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,335 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:20,339 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,342 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,346 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:20,350 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,354 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,355 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:18:20,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:18:20,387 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:20,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:20,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,411 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:18:20,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:20,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:18:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:20,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:20,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:20,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:20,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:20,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:18:20,509 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:18:20,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:18:20,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:18:20,547 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:18:20,548 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:18:20,587 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,684 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,720 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,757 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,838 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,887 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,938 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:20,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:20,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,122 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,185 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,234 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,283 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,335 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,389 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,444 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,500 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,560 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,627 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,695 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,759 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,826 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,892 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:21,957 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:21,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,023 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,190 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,350 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,430 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,517 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,684 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:22,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:22,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,133 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,221 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,315 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,422 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,710 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:23,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:23,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,016 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,122 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,231 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,353 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,484 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,607 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,724 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:24,960 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:24,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,075 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,317 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,441 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,578 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,702 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,824 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:25,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:25,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:26,087 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:26,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:26,219 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:26,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:26,351 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:26,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:26,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:26,482 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:26,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952034276] [2021-05-01 08:18:26,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1952034276] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:26,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:26,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78 [2021-05-01 08:18:26,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339015475] [2021-05-01 08:18:26,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-05-01 08:18:26,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:26,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-05-01 08:18:26,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2788, Invalid=3532, Unknown=0, NotChecked=0, Total=6320 [2021-05-01 08:18:26,484 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand has 78 states, 77 states have (on average 1.025974025974026) internal successors, (79), 76 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:36,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:36,019 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2021-05-01 08:18:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-05-01 08:18:36,021 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 77 states have (on average 1.025974025974026) internal successors, (79), 76 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2021-05-01 08:18:36,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:36,022 INFO L225 Difference]: With dead ends: 90 [2021-05-01 08:18:36,022 INFO L226 Difference]: Without dead ends: 85 [2021-05-01 08:18:36,024 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2563 ImplicationChecksByTransitivity, 14892.1ms TimeCoverageRelationStatistics Valid=8261, Invalid=14691, Unknown=0, NotChecked=0, Total=22952 [2021-05-01 08:18:36,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-05-01 08:18:36,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-05-01 08:18:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 80 states have (on average 1.0125) internal successors, (81), 80 states have internal predecessors, (81), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2021-05-01 08:18:36,032 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2021-05-01 08:18:36,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:36,032 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2021-05-01 08:18:36,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 78 states, 77 states have (on average 1.025974025974026) internal successors, (79), 76 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2021-05-01 08:18:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-05-01 08:18:36,033 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:36,033 INFO L519 BasicCegarLoop]: trace histogram [72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:36,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-05-01 08:18:36,033 INFO L428 AbstractCegarLoop]: === Iteration 73 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:36,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:36,034 INFO L82 PathProgramCache]: Analyzing trace with hash -546031720, now seen corresponding path program 72 times [2021-05-01 08:18:36,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:36,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205021005] [2021-05-01 08:18:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:36,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:18:36,043 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2777 100) InVars {main_~i~0=v_main_~i~0_2777} OutVars{main_~i~0=v_main_~i~0_2777} AuxVars[] AssignedVars[] [2021-05-01 08:18:36,045 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:18:36,047 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,052 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:36,057 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,058 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:36,062 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:36,067 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,073 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,077 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,082 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,086 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,090 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,093 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,097 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,101 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,102 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:18:36,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:18:36,134 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:36,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:36,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,159 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:18:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:36,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:18:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:36,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:36,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:36,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:18:36,255 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:18:36,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:18:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:18:36,289 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:18:36,290 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:18:36,324 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,368 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,428 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,485 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,547 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,686 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,742 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,818 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:36,947 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,087 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,145 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,211 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,264 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,321 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,381 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,444 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,511 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,580 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,807 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,876 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:37,958 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,038 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,198 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,280 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,357 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,443 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:38,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:38,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,143 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,245 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,449 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,554 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,654 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,857 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:39,960 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:40,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:40,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:40,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:40,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:40,401 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:40,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:40,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:40,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:40,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:40,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:40,969 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:40,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:41,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:41,397 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:41,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:41,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:41,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:41,743 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:41,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:41,910 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:42,087 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:42,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:42,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:42,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:42,436 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:42,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:42,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:42,808 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:42,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:43,209 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:43,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:43,438 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:43,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:43,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:43,940 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:44,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:44,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:44,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:44,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:44,585 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:44,792 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:44,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:44,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:44,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:44,991 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:44,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205021005] [2021-05-01 08:18:44,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [205021005] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:44,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:44,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2021-05-01 08:18:44,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022582328] [2021-05-01 08:18:44,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-05-01 08:18:44,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:44,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-05-01 08:18:44,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2863, Invalid=3617, Unknown=0, NotChecked=0, Total=6480 [2021-05-01 08:18:44,993 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand has 79 states, 78 states have (on average 1.0256410256410255) internal successors, (80), 77 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:57,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:57,897 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2021-05-01 08:18:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-05-01 08:18:57,900 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 78 states have (on average 1.0256410256410255) internal successors, (80), 77 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2021-05-01 08:18:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:57,900 INFO L225 Difference]: With dead ends: 91 [2021-05-01 08:18:57,900 INFO L226 Difference]: Without dead ends: 86 [2021-05-01 08:18:57,901 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2635 ImplicationChecksByTransitivity, 20525.4ms TimeCoverageRelationStatistics Valid=8485, Invalid=15077, Unknown=0, NotChecked=0, Total=23562 [2021-05-01 08:18:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-05-01 08:18:57,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-05-01 08:18:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 81 states have (on average 1.0123456790123457) internal successors, (82), 81 states have internal predecessors, (82), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2021-05-01 08:18:57,910 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2021-05-01 08:18:57,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:57,910 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2021-05-01 08:18:57,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 78 states have (on average 1.0256410256410255) internal successors, (80), 77 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:18:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2021-05-01 08:18:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-05-01 08:18:57,910 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:57,910 INFO L519 BasicCegarLoop]: trace histogram [73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:57,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-05-01 08:18:57,911 INFO L428 AbstractCegarLoop]: === Iteration 74 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:57,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:57,911 INFO L82 PathProgramCache]: Analyzing trace with hash 288274694, now seen corresponding path program 73 times [2021-05-01 08:18:57,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:57,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313288316] [2021-05-01 08:18:57,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:18:57,919 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2852 100) InVars {main_~i~0=v_main_~i~0_2852} OutVars{main_~i~0=v_main_~i~0_2852} AuxVars[] AssignedVars[] [2021-05-01 08:18:57,922 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:18:57,927 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,930 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,935 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,940 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,944 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,945 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,951 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:57,955 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,956 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:57,961 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:57,967 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,974 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,980 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,986 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:57,988 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:18:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:18:58,038 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:58,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:58,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,066 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:18:58,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:58,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:18:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:58,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:58,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:58,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:58,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:18:58,201 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:18:58,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:18:58,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:18:58,253 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:18:58,254 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:18:58,305 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,337 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,384 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,486 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,594 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,717 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,784 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,853 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,923 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:58,997 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:58,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,104 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,280 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,367 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,460 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,554 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,644 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,741 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:18:59,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:18:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,046 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,230 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,346 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,459 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,588 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,830 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:00,946 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:00,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:01,063 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:01,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:01,191 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:01,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:01,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:01,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:01,679 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:01,964 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:01,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:02,208 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:02,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:02,467 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:02,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:02,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:02,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:03,270 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:03,585 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:03,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:03,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:04,209 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:04,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:04,555 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:04,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:04,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:05,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:05,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:05,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:05,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:05,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:06,152 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:06,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:06,503 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:06,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:06,859 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:06,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:07,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:07,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:07,501 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:07,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:07,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:07,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:07,816 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:07,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:07,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:07,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,017 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,149 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,252 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,356 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,473 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,650 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:08,858 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:08,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:09,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:09,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:09,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:09,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:09,493 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:09,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:09,700 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:09,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:10,068 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:10,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:10,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:10,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:10,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:10,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:11,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:11,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:11,337 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:19:11,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313288316] [2021-05-01 08:19:11,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [313288316] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:19:11,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:19:11,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [] total 80 [2021-05-01 08:19:11,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911719201] [2021-05-01 08:19:11,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-05-01 08:19:11,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:19:11,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-05-01 08:19:11,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2939, Invalid=3703, Unknown=0, NotChecked=0, Total=6642 [2021-05-01 08:19:11,339 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand has 80 states, 79 states have (on average 1.0253164556962024) internal successors, (81), 78 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:19:12,046 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:19:30,536 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-05-01 08:19:31,140 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-05-01 08:19:32,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:19:32,095 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2021-05-01 08:19:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-01 08:19:32,101 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 79 states have (on average 1.0253164556962024) internal successors, (81), 78 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2021-05-01 08:19:32,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:19:32,102 INFO L225 Difference]: With dead ends: 92 [2021-05-01 08:19:32,102 INFO L226 Difference]: Without dead ends: 87 [2021-05-01 08:19:32,103 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2708 ImplicationChecksByTransitivity, 31954.6ms TimeCoverageRelationStatistics Valid=8712, Invalid=15468, Unknown=0, NotChecked=0, Total=24180 [2021-05-01 08:19:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-05-01 08:19:32,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-05-01 08:19:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 82 states have (on average 1.0121951219512195) internal successors, (83), 82 states have internal predecessors, (83), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:19:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2021-05-01 08:19:32,119 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2021-05-01 08:19:32,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:19:32,119 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2021-05-01 08:19:32,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 79 states have (on average 1.0253164556962024) internal successors, (81), 78 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:19:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2021-05-01 08:19:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-01 08:19:32,120 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:19:32,120 INFO L519 BasicCegarLoop]: trace histogram [74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:19:32,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-05-01 08:19:32,120 INFO L428 AbstractCegarLoop]: === Iteration 75 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:19:32,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:19:32,121 INFO L82 PathProgramCache]: Analyzing trace with hash 381969752, now seen corresponding path program 74 times [2021-05-01 08:19:32,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:19:32,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761382783] [2021-05-01 08:19:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:19:32,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:19:32,145 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_2928 100) InVars {main_~i~0=v_main_~i~0_2928} OutVars{main_~i~0=v_main_~i~0_2928} AuxVars[] AssignedVars[] [2021-05-01 08:19:32,156 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:19:32,168 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,181 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,192 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,200 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,211 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,214 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,228 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:32,238 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,240 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:19:32,249 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:32,261 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,272 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,282 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,292 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,294 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:19:32,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:19:32,382 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:19:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:32,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,410 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:19:32,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:32,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:19:32,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:19:32,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:32,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:32,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:32,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:19:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:32,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:19:32,495 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:19:32,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:32,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:19:32,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:19:32,546 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:19:32,547 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:19:32,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,644 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,690 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,746 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,807 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,871 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:32,942 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,080 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,386 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,468 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,557 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,795 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:33,959 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:33,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,129 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,350 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,474 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:34,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,565 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,829 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:35,969 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:35,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:36,120 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:36,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:36,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:36,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:36,391 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:36,570 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:36,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:36,746 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:36,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:36,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:36,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:37,090 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:37,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:37,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:37,416 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:37,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:37,592 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:37,737 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:37,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:37,906 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:38,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:38,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:38,280 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:38,443 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:38,587 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:38,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:38,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:38,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:38,889 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:38,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:39,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:39,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:39,199 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:39,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:39,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:39,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:39,537 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:39,715 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:39,886 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:39,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:40,069 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:40,277 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:40,464 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:40,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:40,796 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:40,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:40,931 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:40,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:41,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:41,354 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:41,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:41,735 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:42,114 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:42,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:42,306 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:42,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:42,432 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:42,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:42,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:42,532 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:19:42,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761382783] [2021-05-01 08:19:42,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1761382783] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:19:42,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:19:42,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2021-05-01 08:19:42,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606799643] [2021-05-01 08:19:42,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-05-01 08:19:42,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:19:42,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-05-01 08:19:42,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3016, Invalid=3790, Unknown=0, NotChecked=0, Total=6806 [2021-05-01 08:19:42,534 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand has 81 states, 80 states have (on average 1.025) internal successors, (82), 79 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:19:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:19:58,085 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2021-05-01 08:19:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-05-01 08:19:58,086 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 80 states have (on average 1.025) internal successors, (82), 79 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 86 [2021-05-01 08:19:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:19:58,087 INFO L225 Difference]: With dead ends: 93 [2021-05-01 08:19:58,087 INFO L226 Difference]: Without dead ends: 88 [2021-05-01 08:19:58,088 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2782 ImplicationChecksByTransitivity, 24569.1ms TimeCoverageRelationStatistics Valid=8942, Invalid=15864, Unknown=0, NotChecked=0, Total=24806 [2021-05-01 08:19:58,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-05-01 08:19:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-05-01 08:19:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 83 states have (on average 1.0120481927710843) internal successors, (84), 83 states have internal predecessors, (84), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:19:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2021-05-01 08:19:58,095 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2021-05-01 08:19:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:19:58,096 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2021-05-01 08:19:58,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 81 states, 80 states have (on average 1.025) internal successors, (82), 79 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:19:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2021-05-01 08:19:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-05-01 08:19:58,096 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:19:58,096 INFO L519 BasicCegarLoop]: trace histogram [75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:19:58,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-05-01 08:19:58,096 INFO L428 AbstractCegarLoop]: === Iteration 76 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:19:58,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:19:58,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1008450746, now seen corresponding path program 75 times [2021-05-01 08:19:58,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:19:58,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235397692] [2021-05-01 08:19:58,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:19:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:19:58,103 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3005 100) InVars {main_~i~0=v_main_~i~0_3005} OutVars{main_~i~0=v_main_~i~0_3005} AuxVars[] AssignedVars[] [2021-05-01 08:19:58,105 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:19:58,106 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,111 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,117 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:58,118 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:19:58,123 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:58,128 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,133 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,140 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,146 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,151 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,155 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,160 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,164 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,168 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,169 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:19:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:19:58,221 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:19:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:58,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:19:58,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:58,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:19:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:19:58,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:58,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:19:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:58,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:19:58,425 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:19:58,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:58,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:58,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:19:58,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:19:58,476 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:19:58,478 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:19:58,535 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,581 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,751 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,803 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:58,937 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,019 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,185 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,373 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,463 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,558 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,781 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:19:59,902 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:19:59,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:00,035 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:00,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:00,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:00,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:00,391 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:00,563 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:00,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:00,741 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:00,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:00,925 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:00,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:01,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:01,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:01,283 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:01,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:01,475 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:01,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:01,621 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:01,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:01,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:01,888 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:02,021 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:02,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:02,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:02,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:02,327 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:02,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:02,485 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:02,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:02,640 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:02,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:02,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,009 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,177 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,519 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,838 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:03,991 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:03,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:04,147 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:04,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:04,295 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:04,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:04,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:04,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:04,610 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:04,735 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:04,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:04,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:04,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:05,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:05,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:05,193 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:05,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:05,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:05,606 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:05,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:05,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:06,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:06,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:06,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:06,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:06,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:06,720 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:06,959 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:06,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:07,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:07,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:07,415 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:07,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:07,658 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:07,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:07,849 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:07,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:08,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:08,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:08,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:08,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:08,524 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:08,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:08,793 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:08,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:09,021 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:09,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:09,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:09,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:09,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:09,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:09,784 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:09,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:10,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:10,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:10,319 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:10,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:10,590 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:10,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:10,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:10,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:10,877 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:20:10,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235397692] [2021-05-01 08:20:10,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1235397692] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:20:10,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:20:10,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [82] imperfect sequences [] total 82 [2021-05-01 08:20:10,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784134819] [2021-05-01 08:20:10,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-01 08:20:10,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:20:10,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-01 08:20:10,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3094, Invalid=3878, Unknown=0, NotChecked=0, Total=6972 [2021-05-01 08:20:10,879 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand has 82 states, 81 states have (on average 1.0246913580246915) internal successors, (83), 80 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:20:25,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:20:25,534 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2021-05-01 08:20:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-01 08:20:25,536 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 1.0246913580246915) internal successors, (83), 80 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2021-05-01 08:20:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:20:25,536 INFO L225 Difference]: With dead ends: 94 [2021-05-01 08:20:25,536 INFO L226 Difference]: Without dead ends: 89 [2021-05-01 08:20:25,538 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2857 ImplicationChecksByTransitivity, 25860.8ms TimeCoverageRelationStatistics Valid=9175, Invalid=16265, Unknown=0, NotChecked=0, Total=25440 [2021-05-01 08:20:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-05-01 08:20:25,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-05-01 08:20:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 84 states have (on average 1.0119047619047619) internal successors, (85), 84 states have internal predecessors, (85), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:20:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2021-05-01 08:20:25,545 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2021-05-01 08:20:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:20:25,546 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2021-05-01 08:20:25,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 81 states have (on average 1.0246913580246915) internal successors, (83), 80 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:20:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2021-05-01 08:20:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-05-01 08:20:25,546 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:20:25,546 INFO L519 BasicCegarLoop]: trace histogram [76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:20:25,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-05-01 08:20:25,546 INFO L428 AbstractCegarLoop]: === Iteration 77 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:20:25,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:20:25,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1161813224, now seen corresponding path program 76 times [2021-05-01 08:20:25,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:20:25,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182846677] [2021-05-01 08:20:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:20:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:20:25,554 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3083 100) InVars {main_~i~0=v_main_~i~0_3083} OutVars{main_~i~0=v_main_~i~0_3083} AuxVars[] AssignedVars[] [2021-05-01 08:20:25,556 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:20:25,560 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,563 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,568 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,573 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,577 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,578 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,583 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,588 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:25,589 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:20:25,594 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:25,599 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,603 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,608 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,612 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,613 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:20:25,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:20:25,662 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:20:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:25,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:25,690 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:20:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:20:25,730 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:20:25,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:20:25,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:25,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:20:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:25,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:20:25,852 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:20:25,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:25,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:20:25,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:20:25,909 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:20:25,911 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:20:25,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,028 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,138 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,198 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,329 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,617 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,690 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,865 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:26,955 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:26,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,048 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,248 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,351 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,553 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,791 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:27,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:27,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,051 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,173 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,307 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,401 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,499 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,730 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:28,872 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:28,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,020 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,156 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,296 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,429 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,580 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:29,950 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:29,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,288 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,424 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,691 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,837 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:30,986 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,132 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,283 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,440 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,699 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,838 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:31,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:31,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:32,128 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:32,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:32,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:32,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:32,461 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:32,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:32,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:32,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:32,783 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:32,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:32,966 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:33,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:33,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:33,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:33,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:33,551 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:33,738 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:33,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:33,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:34,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:34,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:34,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:34,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:34,466 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:34,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:34,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:34,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:34,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:34,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:35,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:35,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:35,289 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:35,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:35,511 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:35,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:35,752 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:35,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:36,010 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:36,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:36,251 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:36,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:36,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:36,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:36,498 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:20:36,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182846677] [2021-05-01 08:20:36,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [182846677] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:20:36,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:20:36,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [83] imperfect sequences [] total 83 [2021-05-01 08:20:36,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216248144] [2021-05-01 08:20:36,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-05-01 08:20:36,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:20:36,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-05-01 08:20:36,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3173, Invalid=3967, Unknown=0, NotChecked=0, Total=7140 [2021-05-01 08:20:36,500 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand has 83 states, 82 states have (on average 1.024390243902439) internal successors, (84), 81 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:20:36,982 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:20:51,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:20:51,792 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2021-05-01 08:20:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-01 08:20:51,795 INFO L78 Accepts]: Start accepts. Automaton has has 83 states, 82 states have (on average 1.024390243902439) internal successors, (84), 81 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 88 [2021-05-01 08:20:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:20:51,796 INFO L225 Difference]: With dead ends: 95 [2021-05-01 08:20:51,796 INFO L226 Difference]: Without dead ends: 90 [2021-05-01 08:20:51,797 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2933 ImplicationChecksByTransitivity, 24688.5ms TimeCoverageRelationStatistics Valid=9411, Invalid=16671, Unknown=0, NotChecked=0, Total=26082 [2021-05-01 08:20:51,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-05-01 08:20:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-05-01 08:20:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 85 states have (on average 1.011764705882353) internal successors, (86), 85 states have internal predecessors, (86), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:20:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2021-05-01 08:20:51,806 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2021-05-01 08:20:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:20:51,806 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2021-05-01 08:20:51,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 82 states have (on average 1.024390243902439) internal successors, (84), 81 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:20:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2021-05-01 08:20:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-05-01 08:20:51,807 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:20:51,807 INFO L519 BasicCegarLoop]: trace histogram [77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:20:51,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-05-01 08:20:51,807 INFO L428 AbstractCegarLoop]: === Iteration 78 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:20:51,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:20:51,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1621082746, now seen corresponding path program 77 times [2021-05-01 08:20:51,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:20:51,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990584132] [2021-05-01 08:20:51,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:20:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:20:51,819 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3162 100) InVars {main_~i~0=v_main_~i~0_3162} OutVars{main_~i~0=v_main_~i~0_3162} AuxVars[] AssignedVars[] [2021-05-01 08:20:51,821 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:20:51,823 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,830 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,839 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:51,841 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:20:51,847 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:51,855 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,863 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,871 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,877 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,884 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,889 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,895 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,904 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,908 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,910 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:20:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:20:51,966 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:20:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:51,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:51,996 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:20:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:20:52,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:20:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:20:52,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:52,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:52,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:20:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:20:52,141 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:20:52,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:20:52,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:20:52,199 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:20:52,200 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:20:52,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,382 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,474 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,523 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,643 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,777 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,848 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,920 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:52,993 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:52,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,155 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,323 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,409 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,677 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:53,960 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:53,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,060 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,386 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,506 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,625 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,758 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:54,894 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:54,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,162 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,289 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,423 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,569 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:55,867 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:55,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:56,029 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:56,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:56,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:56,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:56,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:56,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:56,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:56,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:56,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:56,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,300 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,436 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,581 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,730 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:57,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:58,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:58,190 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:58,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:58,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:58,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:58,677 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:58,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:58,841 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:58,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:59,009 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:59,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:59,207 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:59,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:59,423 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:59,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:59,641 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:20:59,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:20:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:00,147 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:00,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:00,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:00,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:00,627 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:00,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:00,831 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:00,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:01,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:01,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:01,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:01,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:01,443 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:01,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:01,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:01,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:01,887 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:02,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:02,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:02,326 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:02,547 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:02,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:02,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:02,785 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:21:02,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990584132] [2021-05-01 08:21:02,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [990584132] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:21:02,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:21:02,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [84] imperfect sequences [] total 84 [2021-05-01 08:21:02,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124478187] [2021-05-01 08:21:02,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states [2021-05-01 08:21:02,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:21:02,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-05-01 08:21:02,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3253, Invalid=4057, Unknown=0, NotChecked=0, Total=7310 [2021-05-01 08:21:02,787 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand has 84 states, 83 states have (on average 1.0240963855421688) internal successors, (85), 82 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:03,052 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:21:16,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:21:16,405 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2021-05-01 08:21:16,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-05-01 08:21:16,408 INFO L78 Accepts]: Start accepts. Automaton has has 84 states, 83 states have (on average 1.0240963855421688) internal successors, (85), 82 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2021-05-01 08:21:16,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:21:16,409 INFO L225 Difference]: With dead ends: 96 [2021-05-01 08:21:16,409 INFO L226 Difference]: Without dead ends: 91 [2021-05-01 08:21:16,410 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3010 ImplicationChecksByTransitivity, 23503.9ms TimeCoverageRelationStatistics Valid=9650, Invalid=17082, Unknown=0, NotChecked=0, Total=26732 [2021-05-01 08:21:16,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-05-01 08:21:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-05-01 08:21:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 86 states have (on average 1.0116279069767442) internal successors, (87), 86 states have internal predecessors, (87), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2021-05-01 08:21:16,419 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2021-05-01 08:21:16,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:21:16,419 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2021-05-01 08:21:16,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 84 states, 83 states have (on average 1.0240963855421688) internal successors, (85), 82 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2021-05-01 08:21:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-05-01 08:21:16,419 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:21:16,420 INFO L519 BasicCegarLoop]: trace histogram [78, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:21:16,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-05-01 08:21:16,420 INFO L428 AbstractCegarLoop]: === Iteration 79 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:21:16,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:21:16,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1321431256, now seen corresponding path program 78 times [2021-05-01 08:21:16,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:21:16,420 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306992139] [2021-05-01 08:21:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:21:16,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:21:16,429 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3242 100) InVars {main_~i~0=v_main_~i~0_3242} OutVars{main_~i~0=v_main_~i~0_3242} AuxVars[] AssignedVars[] [2021-05-01 08:21:16,431 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:21:16,433 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,442 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:16,448 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,449 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:21:16,455 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,460 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:16,465 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,471 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,479 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,487 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,493 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,499 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,506 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,512 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,514 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:21:16,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:21:16,579 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:21:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:16,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:16,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:16,615 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:21:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:21:16,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:21:16,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:21:16,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:16,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:16,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:21:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:21:16,770 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:21:16,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:21:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:21:16,826 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:21:16,828 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:21:16,904 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:16,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:16,954 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:16,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,004 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,056 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,111 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,302 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,375 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,517 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,583 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,650 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,788 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,864 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:17,936 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:17,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,452 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,551 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,661 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:18,997 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:18,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,118 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,484 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,624 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:19,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:19,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,040 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,156 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,277 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,411 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,562 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,700 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:20,995 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:20,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:21,166 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:21,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:21,325 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:21,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:21,488 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:21,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:21,677 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:21,860 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:21,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:22,130 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:22,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:22,446 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:22,777 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:22,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:23,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:23,425 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:23,742 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:23,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:24,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:24,384 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:24,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:24,726 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:24,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:25,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:25,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:25,414 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:25,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:25,774 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:26,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:26,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:26,489 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:26,854 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:26,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:27,253 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:27,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:27,667 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:27,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:28,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:28,412 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:28,785 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:29,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:29,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:29,515 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:29,916 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:29,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:30,294 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:30,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:30,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:30,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:30,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:31,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:31,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:31,555 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:31,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:31,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:32,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:32,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:32,415 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:21:32,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306992139] [2021-05-01 08:21:32,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [306992139] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:21:32,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:21:32,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [85] imperfect sequences [] total 85 [2021-05-01 08:21:32,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109707611] [2021-05-01 08:21:32,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-05-01 08:21:32,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:21:32,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-05-01 08:21:32,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3334, Invalid=4148, Unknown=0, NotChecked=0, Total=7482 [2021-05-01 08:21:32,416 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand has 85 states, 84 states have (on average 1.0238095238095237) internal successors, (86), 83 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:32,639 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:21:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:21:46,787 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2021-05-01 08:21:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-01 08:21:46,789 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 1.0238095238095237) internal successors, (86), 83 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2021-05-01 08:21:46,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:21:46,790 INFO L225 Difference]: With dead ends: 97 [2021-05-01 08:21:46,790 INFO L226 Difference]: Without dead ends: 92 [2021-05-01 08:21:46,791 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3088 ImplicationChecksByTransitivity, 29416.9ms TimeCoverageRelationStatistics Valid=9892, Invalid=17498, Unknown=0, NotChecked=0, Total=27390 [2021-05-01 08:21:46,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-05-01 08:21:46,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-05-01 08:21:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 87 states have (on average 1.0114942528735633) internal successors, (88), 87 states have internal predecessors, (88), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2021-05-01 08:21:46,799 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2021-05-01 08:21:46,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:21:46,800 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2021-05-01 08:21:46,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 85 states, 84 states have (on average 1.0238095238095237) internal successors, (86), 83 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2021-05-01 08:21:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-05-01 08:21:46,800 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:21:46,800 INFO L519 BasicCegarLoop]: trace histogram [79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:21:46,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-05-01 08:21:46,800 INFO L428 AbstractCegarLoop]: === Iteration 80 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:21:46,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:21:46,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1949915194, now seen corresponding path program 79 times [2021-05-01 08:21:46,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:21:46,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788695866] [2021-05-01 08:21:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:21:46,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:21:46,809 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3323 100) InVars {main_~i~0=v_main_~i~0_3323} OutVars{main_~i~0=v_main_~i~0_3323} AuxVars[] AssignedVars[] [2021-05-01 08:21:46,811 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:21:46,813 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,820 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:46,824 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,826 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:21:46,831 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,835 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:46,839 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,844 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,850 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,855 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,859 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,863 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,868 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,872 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,874 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:21:46,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:21:46,922 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:21:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:46,951 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:21:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:21:46,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:21:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:21:47,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:47,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:47,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:47,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:21:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:47,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:47,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:21:47,080 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:21:47,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:47,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:47,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:21:47,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:21:47,130 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:21:47,131 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:21:47,185 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,230 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,326 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,376 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,425 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,476 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,768 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,834 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:47,956 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:47,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,152 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,224 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,296 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,372 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,456 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,535 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,608 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,763 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:48,950 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:48,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,139 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,241 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,343 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,448 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,563 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,679 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,800 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:49,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:49,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,053 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,174 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,300 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,420 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,563 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,689 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,809 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:50,933 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:50,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,057 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,182 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,311 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,567 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,703 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:51,993 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:52,139 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:52,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:52,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:52,452 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:52,625 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:52,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:52,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:52,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:52,944 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:53,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:53,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:53,312 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:53,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:53,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:53,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:53,674 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:53,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:53,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:53,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:54,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:54,327 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:54,545 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:54,778 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:54,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:54,988 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:54,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:55,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:55,442 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:55,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:55,694 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:55,953 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:55,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:56,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:56,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:56,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:56,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:56,918 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:56,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:57,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:21:57,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:21:57,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:57,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:57,453 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:21:57,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788695866] [2021-05-01 08:21:57,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1788695866] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:21:57,454 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:21:57,454 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [86] imperfect sequences [] total 86 [2021-05-01 08:21:57,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027135352] [2021-05-01 08:21:57,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-05-01 08:21:57,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:21:57,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-05-01 08:21:57,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3416, Invalid=4240, Unknown=0, NotChecked=0, Total=7656 [2021-05-01 08:21:57,455 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand has 86 states, 85 states have (on average 1.0235294117647058) internal successors, (87), 84 states have internal predecessors, (87), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:21:58,014 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:22:15,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:22:15,207 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2021-05-01 08:22:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-05-01 08:22:15,211 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 85 states have (on average 1.0235294117647058) internal successors, (87), 84 states have internal predecessors, (87), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 91 [2021-05-01 08:22:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:22:15,212 INFO L225 Difference]: With dead ends: 98 [2021-05-01 08:22:15,212 INFO L226 Difference]: Without dead ends: 93 [2021-05-01 08:22:15,213 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3167 ImplicationChecksByTransitivity, 26529.1ms TimeCoverageRelationStatistics Valid=10137, Invalid=17919, Unknown=0, NotChecked=0, Total=28056 [2021-05-01 08:22:15,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-05-01 08:22:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-05-01 08:22:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.0113636363636365) internal successors, (89), 88 states have internal predecessors, (89), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:22:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2021-05-01 08:22:15,222 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2021-05-01 08:22:15,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:22:15,222 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2021-05-01 08:22:15,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 86 states, 85 states have (on average 1.0235294117647058) internal successors, (87), 84 states have internal predecessors, (87), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:22:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2021-05-01 08:22:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-05-01 08:22:15,223 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:22:15,223 INFO L519 BasicCegarLoop]: trace histogram [80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:22:15,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-05-01 08:22:15,223 INFO L428 AbstractCegarLoop]: === Iteration 81 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:22:15,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:22:15,223 INFO L82 PathProgramCache]: Analyzing trace with hash -282440040, now seen corresponding path program 80 times [2021-05-01 08:22:15,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:22:15,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786070871] [2021-05-01 08:22:15,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:22:15,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:22:15,233 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3405 100) InVars {main_~i~0=v_main_~i~0_3405} OutVars{main_~i~0=v_main_~i~0_3405} AuxVars[] AssignedVars[] [2021-05-01 08:22:15,235 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:22:15,237 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,243 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,251 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:15,252 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:22:15,257 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,263 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,271 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,277 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:15,284 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,290 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,297 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,302 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,306 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,310 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,311 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:22:15,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:22:15,368 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:22:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:15,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:15,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:15,423 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:22:15,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:22:15,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:22:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:22:15,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:15,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:15,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:15,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:22:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:15,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:22:15,605 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:22:15,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:15,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:22:15,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:22:15,688 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:22:15,690 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:22:15,771 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:15,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:15,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:15,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:15,903 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:15,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:15,970 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:15,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,047 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,433 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,596 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,746 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:16,927 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,020 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,189 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,271 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,356 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,467 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,708 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,827 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:17,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,372 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,512 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,656 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,802 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:18,964 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:18,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:19,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:19,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:19,257 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:19,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:19,409 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:19,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:19,537 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:19,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:19,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:19,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:19,839 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:19,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:20,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:20,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:20,203 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:20,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:20,376 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:20,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:20,568 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:20,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:20,757 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:20,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:20,974 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:20,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:21,200 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:21,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:21,456 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:21,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:21,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:21,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:21,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:22,120 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:22,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:22,351 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:22,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:22,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:22,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:22,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:23,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:23,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:23,307 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:23,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:23,585 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:23,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:23,848 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:23,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:24,156 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:24,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:24,461 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:24,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:24,725 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:24,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:24,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:25,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:25,470 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:25,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:25,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:26,063 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:26,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:26,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:26,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:26,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:26,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:26,949 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:26,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:27,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:27,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:27,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:27,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:27,867 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:27,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:28,127 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:28,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:28,406 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:28,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:28,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:29,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:29,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:29,408 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:29,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:29,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:30,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:30,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:30,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:30,352 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:22:30,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786070871] [2021-05-01 08:22:30,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1786070871] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:22:30,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:22:30,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [87] imperfect sequences [] total 87 [2021-05-01 08:22:30,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853513200] [2021-05-01 08:22:30,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-05-01 08:22:30,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:22:30,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-05-01 08:22:30,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3499, Invalid=4333, Unknown=0, NotChecked=0, Total=7832 [2021-05-01 08:22:30,354 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand has 87 states, 86 states have (on average 1.0232558139534884) internal successors, (88), 85 states have internal predecessors, (88), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:22:30,915 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:22:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:22:51,091 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2021-05-01 08:22:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-01 08:22:51,098 INFO L78 Accepts]: Start accepts. Automaton has has 87 states, 86 states have (on average 1.0232558139534884) internal successors, (88), 85 states have internal predecessors, (88), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2021-05-01 08:22:51,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:22:51,099 INFO L225 Difference]: With dead ends: 99 [2021-05-01 08:22:51,099 INFO L226 Difference]: Without dead ends: 94 [2021-05-01 08:22:51,100 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3247 ImplicationChecksByTransitivity, 33447.0ms TimeCoverageRelationStatistics Valid=10385, Invalid=18345, Unknown=0, NotChecked=0, Total=28730 [2021-05-01 08:22:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-05-01 08:22:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-05-01 08:22:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 89 states have (on average 1.0112359550561798) internal successors, (90), 89 states have internal predecessors, (90), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:22:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2021-05-01 08:22:51,110 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2021-05-01 08:22:51,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:22:51,111 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2021-05-01 08:22:51,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 86 states have (on average 1.0232558139534884) internal successors, (88), 85 states have internal predecessors, (88), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:22:51,111 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2021-05-01 08:22:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-05-01 08:22:51,111 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:22:51,112 INFO L519 BasicCegarLoop]: trace histogram [81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:22:51,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-05-01 08:22:51,112 INFO L428 AbstractCegarLoop]: === Iteration 82 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:22:51,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:22:51,112 INFO L82 PathProgramCache]: Analyzing trace with hash -130317818, now seen corresponding path program 81 times [2021-05-01 08:22:51,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:22:51,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703034923] [2021-05-01 08:22:51,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:22:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:22:51,125 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3488 100) InVars {main_~i~0=v_main_~i~0_3488} OutVars{main_~i~0=v_main_~i~0_3488} AuxVars[] AssignedVars[] [2021-05-01 08:22:51,128 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:22:51,137 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,145 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,155 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,164 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,172 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,174 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,187 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:51,196 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,198 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:22:51,207 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:51,219 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,230 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,241 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,254 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,257 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:22:51,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:22:51,364 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:22:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:51,419 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:22:51,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:22:51,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:22:51,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:22:51,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:51,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:51,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:51,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:22:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:22:51,675 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:22:51,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:22:51,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:22:51,764 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:22:51,767 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:22:51,869 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:51,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:51,951 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,123 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,219 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,321 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,422 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,531 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,757 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,863 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:52,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:52,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:53,116 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:53,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:53,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:53,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:53,404 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:53,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:53,547 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:53,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:53,701 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:53,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:53,854 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:53,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:54,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:54,170 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:54,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:54,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:54,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:54,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:54,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:54,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:54,823 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:54,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:55,010 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:55,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:55,189 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:55,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:55,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:55,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:55,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:55,754 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:55,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:55,957 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:55,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:56,160 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:56,374 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:56,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:56,586 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:56,809 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:56,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:57,031 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:57,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:57,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:57,737 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:57,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:57,980 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:58,220 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:58,492 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:58,764 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:59,020 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:59,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:59,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:59,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:59,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:59,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:22:59,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:22:59,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:00,099 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:00,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:00,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:00,713 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:00,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:01,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:01,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:01,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:01,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:01,702 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:01,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:02,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:02,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:02,371 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:02,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:02,715 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:03,087 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:03,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:03,410 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:03,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:03,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:03,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:04,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:04,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:04,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:04,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:04,970 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:04,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:05,302 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:05,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:05,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:05,904 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:05,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:06,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:06,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:06,428 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:06,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:06,648 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:06,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:06,922 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:06,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:07,202 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:07,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:07,511 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:07,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:07,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:07,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:08,049 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:08,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:08,296 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:08,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:08,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:08,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:08,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:08,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:09,046 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:09,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:09,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:09,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:09,663 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:09,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:10,011 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:10,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:10,410 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:23:10,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703034923] [2021-05-01 08:23:10,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [703034923] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:23:10,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:23:10,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [88] imperfect sequences [] total 88 [2021-05-01 08:23:10,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316974779] [2021-05-01 08:23:10,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-05-01 08:23:10,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:23:10,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-05-01 08:23:10,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3583, Invalid=4427, Unknown=0, NotChecked=0, Total=8010 [2021-05-01 08:23:10,412 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand has 88 states, 87 states have (on average 1.0229885057471264) internal successors, (89), 86 states have internal predecessors, (89), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:23:11,093 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:23:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:23:30,408 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2021-05-01 08:23:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-05-01 08:23:30,413 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 87 states have (on average 1.0229885057471264) internal successors, (89), 86 states have internal predecessors, (89), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 93 [2021-05-01 08:23:30,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:23:30,413 INFO L225 Difference]: With dead ends: 100 [2021-05-01 08:23:30,413 INFO L226 Difference]: Without dead ends: 95 [2021-05-01 08:23:30,415 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3328 ImplicationChecksByTransitivity, 36924.4ms TimeCoverageRelationStatistics Valid=10636, Invalid=18776, Unknown=0, NotChecked=0, Total=29412 [2021-05-01 08:23:30,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-05-01 08:23:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-05-01 08:23:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 90 states have (on average 1.011111111111111) internal successors, (91), 90 states have internal predecessors, (91), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:23:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2021-05-01 08:23:30,423 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2021-05-01 08:23:30,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:23:30,423 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2021-05-01 08:23:30,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 88 states, 87 states have (on average 1.0229885057471264) internal successors, (89), 86 states have internal predecessors, (89), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:23:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2021-05-01 08:23:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-05-01 08:23:30,424 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:23:30,424 INFO L519 BasicCegarLoop]: trace histogram [82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:23:30,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-05-01 08:23:30,424 INFO L428 AbstractCegarLoop]: === Iteration 83 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:23:30,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:23:30,424 INFO L82 PathProgramCache]: Analyzing trace with hash 290503768, now seen corresponding path program 82 times [2021-05-01 08:23:30,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:23:30,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385719251] [2021-05-01 08:23:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:23:30,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:23:30,440 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3572 100) InVars {main_~i~0=v_main_~i~0_3572} OutVars{main_~i~0=v_main_~i~0_3572} AuxVars[] AssignedVars[] [2021-05-01 08:23:30,443 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:23:30,449 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,455 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,460 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,466 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,472 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,474 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,482 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:23:30,487 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,489 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:23:30,496 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,501 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:23:30,505 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,510 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,517 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,519 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:23:30,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:23:30,603 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:23:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:23:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:30,657 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:23:30,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:23:30,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:23:30,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:23:30,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:23:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:23:30,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:30,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:23:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:23:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:23:30,838 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:23:30,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:30,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:30,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:23:30,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:23:30,907 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:23:30,909 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:23:30,984 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,111 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,173 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,235 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,305 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,380 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,457 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,633 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,718 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,806 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,902 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:31,989 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:31,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,078 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,291 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,398 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,524 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,641 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:32,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:32,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:33,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:33,186 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:33,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:33,365 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:33,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:33,529 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:33,694 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:33,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:33,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:34,050 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:34,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:34,237 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:34,434 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:34,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:34,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:34,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:34,818 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:34,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:35,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:35,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:35,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:35,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:35,510 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:35,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:35,755 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:35,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:35,979 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:36,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:36,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:36,443 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:36,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:36,681 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:36,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:36,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:36,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:37,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:37,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:37,384 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:37,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:37,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:37,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:37,838 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:38,035 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:38,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:38,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:38,452 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:38,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:38,675 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:38,833 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:38,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:39,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:39,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:39,199 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:39,400 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:39,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:39,597 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:39,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:39,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:39,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:40,006 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:40,208 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:40,383 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:40,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:40,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:40,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:40,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:41,050 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:41,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:41,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:41,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:41,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:41,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:41,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:41,986 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:41,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:42,204 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:42,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:42,415 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:42,660 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:42,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:42,907 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:42,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:43,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:43,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:43,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:43,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:43,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:43,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:43,965 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:43,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:44,298 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:44,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:44,608 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:44,890 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:44,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:45,099 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:45,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:45,326 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:45,596 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:45,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:45,920 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:23:45,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:23:46,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:46,251 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:23:46,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385719251] [2021-05-01 08:23:46,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [385719251] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:23:46,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:23:46,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [89] imperfect sequences [] total 89 [2021-05-01 08:23:46,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960808103] [2021-05-01 08:23:46,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-05-01 08:23:46,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:23:46,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-05-01 08:23:46,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3668, Invalid=4522, Unknown=0, NotChecked=0, Total=8190 [2021-05-01 08:23:46,253 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand has 89 states, 88 states have (on average 1.0227272727272727) internal successors, (90), 87 states have internal predecessors, (90), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:23:46,834 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:24:04,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:24:04,871 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2021-05-01 08:24:04,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-05-01 08:24:04,876 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 88 states have (on average 1.0227272727272727) internal successors, (90), 87 states have internal predecessors, (90), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 94 [2021-05-01 08:24:04,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:24:04,876 INFO L225 Difference]: With dead ends: 101 [2021-05-01 08:24:04,876 INFO L226 Difference]: Without dead ends: 96 [2021-05-01 08:24:04,878 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3410 ImplicationChecksByTransitivity, 32239.9ms TimeCoverageRelationStatistics Valid=10890, Invalid=19212, Unknown=0, NotChecked=0, Total=30102 [2021-05-01 08:24:04,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-05-01 08:24:04,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-05-01 08:24:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 91 states have (on average 1.010989010989011) internal successors, (92), 91 states have internal predecessors, (92), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:24:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2021-05-01 08:24:04,887 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2021-05-01 08:24:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:24:04,887 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2021-05-01 08:24:04,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 89 states, 88 states have (on average 1.0227272727272727) internal successors, (90), 87 states have internal predecessors, (90), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:24:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2021-05-01 08:24:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-01 08:24:04,887 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:24:04,888 INFO L519 BasicCegarLoop]: trace histogram [83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:24:04,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-05-01 08:24:04,888 INFO L428 AbstractCegarLoop]: === Iteration 84 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:24:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:24:04,897 INFO L82 PathProgramCache]: Analyzing trace with hash 451071046, now seen corresponding path program 83 times [2021-05-01 08:24:04,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:24:04,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102499583] [2021-05-01 08:24:04,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:24:04,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:24:04,907 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3657 100) InVars {main_~i~0=v_main_~i~0_3657} OutVars{main_~i~0=v_main_~i~0_3657} AuxVars[] AssignedVars[] [2021-05-01 08:24:04,909 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:24:04,911 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,918 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,926 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:24:04,928 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:24:04,934 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:24:04,942 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,948 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,954 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,961 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,967 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,973 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,979 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,986 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,992 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:04,994 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:24:05,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:24:05,061 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:24:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:24:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,097 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:24:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:24:05,142 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:24:05,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:24:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:24:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:24:05,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:05,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:24:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:24:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:24:05,286 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:24:05,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:05,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:05,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:24:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:24:05,351 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:24:05,353 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:24:05,432 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,500 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,623 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,694 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,774 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,848 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:05,934 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:05,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,011 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,094 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,184 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,595 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,711 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,829 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:06,964 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:06,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,108 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,414 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,543 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,678 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:07,948 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:07,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,515 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:08,989 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:08,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:09,128 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:09,251 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:09,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:09,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:09,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:09,533 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:09,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:09,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:09,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:09,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:09,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:10,064 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:10,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:10,253 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:10,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:10,465 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:10,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:10,659 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:10,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:10,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:10,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:11,021 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:11,203 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:11,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:11,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:11,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:11,647 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:11,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:11,866 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:11,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:12,086 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:12,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:12,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:12,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:12,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:12,655 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:12,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:12,871 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:12,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:13,109 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:13,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:13,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:13,902 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:13,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:14,140 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:14,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:14,398 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:14,646 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:14,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:14,886 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:15,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:15,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:15,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:15,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:15,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:15,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:15,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:16,260 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:16,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:16,548 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:16,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:16,869 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:16,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:17,216 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:17,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:17,546 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:17,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:17,889 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:17,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:18,224 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:18,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:18,570 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:18,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:18,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:19,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:19,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:19,560 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:19,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:19,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:19,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:20,164 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:20,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:20,487 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:20,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:20,801 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:21,041 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:21,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:21,398 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:21,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:21,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:21,787 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:24:21,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102499583] [2021-05-01 08:24:21,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1102499583] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:24:21,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:24:21,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [90] imperfect sequences [] total 90 [2021-05-01 08:24:21,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140956963] [2021-05-01 08:24:21,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-05-01 08:24:21,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:24:21,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-05-01 08:24:21,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3754, Invalid=4618, Unknown=0, NotChecked=0, Total=8372 [2021-05-01 08:24:21,788 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand has 90 states, 89 states have (on average 1.0224719101123596) internal successors, (91), 88 states have internal predecessors, (91), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:24:22,139 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:24:40,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:24:40,303 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2021-05-01 08:24:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-05-01 08:24:40,305 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 89 states have (on average 1.0224719101123596) internal successors, (91), 88 states have internal predecessors, (91), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 95 [2021-05-01 08:24:40,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:24:40,306 INFO L225 Difference]: With dead ends: 102 [2021-05-01 08:24:40,306 INFO L226 Difference]: Without dead ends: 97 [2021-05-01 08:24:40,307 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3493 ImplicationChecksByTransitivity, 34299.2ms TimeCoverageRelationStatistics Valid=11147, Invalid=19653, Unknown=0, NotChecked=0, Total=30800 [2021-05-01 08:24:40,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-05-01 08:24:40,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-05-01 08:24:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.0108695652173914) internal successors, (93), 92 states have internal predecessors, (93), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:24:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2021-05-01 08:24:40,315 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2021-05-01 08:24:40,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:24:40,315 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2021-05-01 08:24:40,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 90 states, 89 states have (on average 1.0224719101123596) internal successors, (91), 88 states have internal predecessors, (91), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:24:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2021-05-01 08:24:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-05-01 08:24:40,316 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:24:40,316 INFO L519 BasicCegarLoop]: trace histogram [84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:24:40,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-05-01 08:24:40,317 INFO L428 AbstractCegarLoop]: === Iteration 85 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:24:40,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:24:40,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1133689368, now seen corresponding path program 84 times [2021-05-01 08:24:40,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:24:40,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575973019] [2021-05-01 08:24:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:24:40,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:24:40,325 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3743 100) InVars {main_~i~0=v_main_~i~0_3743} OutVars{main_~i~0=v_main_~i~0_3743} AuxVars[] AssignedVars[] [2021-05-01 08:24:40,329 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:24:40,330 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,338 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:24:40,343 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,344 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:24:40,349 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:24:40,356 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,361 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,368 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,373 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,378 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,382 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,387 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,398 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,400 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:24:40,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:24:40,461 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:24:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:24:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:40,497 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:24:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:24:40,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:24:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:24:40,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:24:40,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:24:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:40,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:24:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:24:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:24:40,685 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:24:40,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:40,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:24:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:24:40,765 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:24:40,767 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:24:40,845 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:40,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:40,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:40,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:40,979 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:40,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,045 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,186 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,258 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,424 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,512 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,793 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:41,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:41,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,005 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,113 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,218 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,336 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,574 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,696 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,826 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:42,969 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:42,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:43,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:43,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:43,267 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:43,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:43,410 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:43,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:43,577 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:43,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:43,723 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:43,880 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:43,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:44,036 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:44,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:44,203 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:44,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:44,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:44,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:44,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:44,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:44,774 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:44,969 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:44,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:45,169 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:45,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:45,373 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:45,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:45,577 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:45,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:45,772 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:45,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:45,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:45,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:46,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:46,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:46,393 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:46,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:46,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:46,815 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:47,039 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:47,261 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:47,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:47,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:47,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:47,699 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:47,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:47,934 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:47,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:48,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:48,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:48,429 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:48,663 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:48,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:48,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:48,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:49,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:49,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:49,385 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:49,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:49,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:49,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:49,889 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:49,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:50,128 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:50,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:50,390 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:50,673 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:50,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:50,949 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:51,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:51,531 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:51,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:51,827 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:51,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:52,133 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:52,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:52,419 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:52,710 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:52,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:53,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:53,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:53,323 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:53,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:53,642 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:53,964 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:53,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:54,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:54,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:54,606 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:54,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:54,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:55,291 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:55,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:55,628 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:55,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:55,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:55,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:56,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:56,701 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:57,050 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:57,401 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:57,755 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:57,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:58,110 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:24:58,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:24:58,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:58,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:58,500 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:24:58,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575973019] [2021-05-01 08:24:58,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1575973019] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:24:58,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:24:58,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [91] imperfect sequences [] total 91 [2021-05-01 08:24:58,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472890251] [2021-05-01 08:24:58,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-05-01 08:24:58,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:24:58,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-05-01 08:24:58,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3841, Invalid=4715, Unknown=0, NotChecked=0, Total=8556 [2021-05-01 08:24:58,502 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand has 91 states, 90 states have (on average 1.0222222222222221) internal successors, (92), 89 states have internal predecessors, (92), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:24:58,930 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-05-01 08:25:19,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:25:19,550 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2021-05-01 08:25:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-01 08:25:19,552 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 90 states have (on average 1.0222222222222221) internal successors, (92), 89 states have internal predecessors, (92), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2021-05-01 08:25:19,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:25:19,553 INFO L225 Difference]: With dead ends: 103 [2021-05-01 08:25:19,553 INFO L226 Difference]: Without dead ends: 98 [2021-05-01 08:25:19,554 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3577 ImplicationChecksByTransitivity, 37833.9ms TimeCoverageRelationStatistics Valid=11407, Invalid=20099, Unknown=0, NotChecked=0, Total=31506 [2021-05-01 08:25:19,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-05-01 08:25:19,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-05-01 08:25:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 93 states have (on average 1.010752688172043) internal successors, (94), 93 states have internal predecessors, (94), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:25:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2021-05-01 08:25:19,563 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2021-05-01 08:25:19,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:25:19,563 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2021-05-01 08:25:19,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 91 states, 90 states have (on average 1.0222222222222221) internal successors, (92), 89 states have internal predecessors, (92), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:25:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2021-05-01 08:25:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-05-01 08:25:19,564 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:25:19,564 INFO L519 BasicCegarLoop]: trace histogram [85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:25:19,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-05-01 08:25:19,565 INFO L428 AbstractCegarLoop]: === Iteration 86 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:25:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:25:19,565 INFO L82 PathProgramCache]: Analyzing trace with hash 820020870, now seen corresponding path program 85 times [2021-05-01 08:25:19,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:25:19,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633474618] [2021-05-01 08:25:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:25:19,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:25:19,574 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3830 100) InVars {main_~i~0=v_main_~i~0_3830} OutVars{main_~i~0=v_main_~i~0_3830} AuxVars[] AssignedVars[] [2021-05-01 08:25:19,576 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:25:19,578 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,585 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:19,591 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,592 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:25:19,598 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,604 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,610 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:19,615 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,623 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,628 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,634 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,640 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,645 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,651 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,653 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:25:19,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:25:19,722 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:25:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:19,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:19,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:19,766 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:25:19,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:25:19,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:25:19,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:25:19,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:19,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:19,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:25:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:19,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:25:19,990 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:25:19,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:19,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:19,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:25:19,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:25:20,074 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:25:20,076 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:25:20,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,325 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,496 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,588 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,679 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,769 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:20,972 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,173 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,379 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,484 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,724 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:21,984 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:21,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,268 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,410 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,550 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,701 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:22,986 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:22,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:23,147 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:23,284 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:23,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:23,433 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:23,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:23,597 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:23,778 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:23,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:23,945 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:23,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:24,103 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:24,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:24,270 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:24,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:24,420 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:24,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:24,580 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:24,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:24,737 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:24,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:24,874 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:24,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:25,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:25,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:25,205 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:25,415 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:25,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:25,621 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:25,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:25,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:26,021 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:26,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:26,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:26,464 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:26,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:26,686 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:26,920 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:27,118 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:27,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:27,334 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:27,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:27,504 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:27,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:27,689 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:27,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:28,117 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:28,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:28,357 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:28,594 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:28,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:28,828 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:29,075 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:29,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:29,294 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:29,516 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:29,735 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:29,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:29,957 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:29,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:30,202 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:30,442 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:30,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:30,679 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:30,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:30,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:31,124 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:31,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:31,375 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:31,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:31,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:31,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:32,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:32,482 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:32,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:32,843 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:33,189 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:33,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:33,530 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:33,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:33,869 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:34,215 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:34,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:34,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:34,912 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:35,266 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:35,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:35,632 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:35,996 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:35,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:36,395 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:36,790 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:36,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:37,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:37,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:37,191 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:25:37,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633474618] [2021-05-01 08:25:37,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [633474618] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:25:37,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:25:37,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [92] imperfect sequences [] total 92 [2021-05-01 08:25:37,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555827159] [2021-05-01 08:25:37,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-05-01 08:25:37,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:25:37,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-05-01 08:25:37,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3929, Invalid=4813, Unknown=0, NotChecked=0, Total=8742 [2021-05-01 08:25:37,193 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand has 92 states, 91 states have (on average 1.021978021978022) internal successors, (93), 90 states have internal predecessors, (93), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:25:37,797 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-05-01 08:25:54,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:25:54,293 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2021-05-01 08:25:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-01 08:25:54,295 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 91 states have (on average 1.021978021978022) internal successors, (93), 90 states have internal predecessors, (93), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2021-05-01 08:25:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:25:54,295 INFO L225 Difference]: With dead ends: 104 [2021-05-01 08:25:54,295 INFO L226 Difference]: Without dead ends: 99 [2021-05-01 08:25:54,296 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3662 ImplicationChecksByTransitivity, 33052.2ms TimeCoverageRelationStatistics Valid=11670, Invalid=20550, Unknown=0, NotChecked=0, Total=32220 [2021-05-01 08:25:54,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-05-01 08:25:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-05-01 08:25:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 94 states have (on average 1.0106382978723405) internal successors, (95), 94 states have internal predecessors, (95), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:25:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2021-05-01 08:25:54,304 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2021-05-01 08:25:54,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:25:54,306 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2021-05-01 08:25:54,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 91 states have (on average 1.021978021978022) internal successors, (93), 90 states have internal predecessors, (93), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:25:54,320 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2021-05-01 08:25:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-01 08:25:54,321 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:25:54,321 INFO L519 BasicCegarLoop]: trace histogram [86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:25:54,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-05-01 08:25:54,321 INFO L428 AbstractCegarLoop]: === Iteration 87 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:25:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:25:54,321 INFO L82 PathProgramCache]: Analyzing trace with hash -313767976, now seen corresponding path program 86 times [2021-05-01 08:25:54,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:25:54,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5249469] [2021-05-01 08:25:54,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:25:54,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:25:54,333 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_3918 100) InVars {main_~i~0=v_main_~i~0_3918} OutVars{main_~i~0=v_main_~i~0_3918} AuxVars[] AssignedVars[] [2021-05-01 08:25:54,335 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:25:54,340 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,344 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,348 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,352 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,355 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,356 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,361 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,366 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:54,367 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:25:54,371 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:54,376 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,381 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,385 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,390 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,391 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:25:54,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:25:54,435 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:25:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:54,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,460 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:25:54,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:25:54,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:25:54,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:25:54,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:54,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:54,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:25:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:54,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:25:54,577 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:25:54,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:25:54,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:25:54,622 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:25:54,623 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:25:54,669 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,706 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,746 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,829 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,873 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:54,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:54,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,018 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,069 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,122 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,180 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,240 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,300 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,360 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,423 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,490 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,557 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,635 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,702 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,780 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,857 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:55,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:55,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,025 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,112 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,196 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,544 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,634 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,726 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,819 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:56,915 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,110 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,211 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,315 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,420 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,528 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,745 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:57,973 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,089 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,207 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,332 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,835 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:58,962 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,093 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,227 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,365 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,501 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,642 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,781 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:25:59,932 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:25:59,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:00,089 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:00,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:00,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:00,395 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:00,550 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:00,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:00,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:00,868 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:00,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:01,038 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:01,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:01,206 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:01,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:01,378 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:01,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:01,549 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:01,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:01,726 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:01,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:01,903 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:02,077 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:02,255 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:02,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:02,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:02,626 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:02,814 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:02,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:03,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:03,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:03,189 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:03,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:03,380 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:03,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:03,575 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:03,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:03,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:03,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:03,975 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:03,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:04,171 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:04,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:04,369 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:04,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:04,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:04,774 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:26:04,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5249469] [2021-05-01 08:26:04,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [5249469] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:26:04,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:26:04,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [93] imperfect sequences [] total 93 [2021-05-01 08:26:04,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945485067] [2021-05-01 08:26:04,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-05-01 08:26:04,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:26:04,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-05-01 08:26:04,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4018, Invalid=4912, Unknown=0, NotChecked=0, Total=8930 [2021-05-01 08:26:04,775 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand has 93 states, 92 states have (on average 1.0217391304347827) internal successors, (94), 91 states have internal predecessors, (94), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:26:18,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:26:18,537 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2021-05-01 08:26:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-05-01 08:26:18,539 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 92 states have (on average 1.0217391304347827) internal successors, (94), 91 states have internal predecessors, (94), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2021-05-01 08:26:18,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:26:18,540 INFO L225 Difference]: With dead ends: 105 [2021-05-01 08:26:18,540 INFO L226 Difference]: Without dead ends: 100 [2021-05-01 08:26:18,541 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3748 ImplicationChecksByTransitivity, 22750.9ms TimeCoverageRelationStatistics Valid=11936, Invalid=21006, Unknown=0, NotChecked=0, Total=32942 [2021-05-01 08:26:18,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-05-01 08:26:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2021-05-01 08:26:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 95 states have (on average 1.0105263157894737) internal successors, (96), 95 states have internal predecessors, (96), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:26:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2021-05-01 08:26:18,549 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2021-05-01 08:26:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:26:18,549 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2021-05-01 08:26:18,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 93 states, 92 states have (on average 1.0217391304347827) internal successors, (94), 91 states have internal predecessors, (94), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:26:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2021-05-01 08:26:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-05-01 08:26:18,549 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:26:18,549 INFO L519 BasicCegarLoop]: trace histogram [87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:26:18,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-05-01 08:26:18,549 INFO L428 AbstractCegarLoop]: === Iteration 88 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:26:18,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:26:18,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1101483834, now seen corresponding path program 87 times [2021-05-01 08:26:18,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:26:18,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28400927] [2021-05-01 08:26:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:26:18,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:26:18,556 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_4007 100) InVars {main_~i~0=v_main_~i~0_4007} OutVars{main_~i~0=v_main_~i~0_4007} AuxVars[] AssignedVars[] [2021-05-01 08:26:18,558 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:26:18,575 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,582 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:26:18,586 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,587 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:26:18,591 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,595 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,599 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,603 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:26:18,608 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,612 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,616 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,620 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,623 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,627 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,628 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:26:18,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:26:18,671 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:26:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:26:18,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:18,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:18,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:26:18,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:26:18,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:26:18,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:26:18,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:26:18,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:26:18,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:18,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:26:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:26:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:26:18,816 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-05-01 08:26:18,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-01 08:26:18,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-05-01 08:26:18,861 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-05-01 08:26:18,862 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:26:18,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:18,950 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:18,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:18,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,035 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,128 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,226 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,332 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,392 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,456 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,519 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,586 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,652 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:19,928 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:19,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,002 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,079 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,159 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,240 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,325 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,414 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,505 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,692 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,786 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,882 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:20,979 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:20,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,080 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,397 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,506 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,632 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,751 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,870 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:21,991 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:21,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,115 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,620 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,752 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:22,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:22,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,020 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,166 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,310 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,449 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,592 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,739 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:23,892 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:23,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:24,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:24,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:24,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:24,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:24,348 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:24,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:24,516 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:24,679 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:24,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:24,843 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:24,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:25,004 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:25,170 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:25,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:25,338 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:25,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:25,506 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:25,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:25,678 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:25,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:25,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:25,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:26,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:26,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:26,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:26,379 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:26,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:26,554 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:26,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:26,735 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:26,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:26,921 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:27,105 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:27,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:27,296 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:27,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:27,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:27,672 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:27,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:27,863 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:28,053 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:28,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:28,249 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:28,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:28,453 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:28,651 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:28,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:28,851 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:28,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:29,057 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:29,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:29,266 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:29,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:29,478 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:29,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:29,809 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:29,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:30,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:30,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:30,131 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:26:30,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28400927] [2021-05-01 08:26:30,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [28400927] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:26:30,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:26:30,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [94] imperfect sequences [] total 94 [2021-05-01 08:26:30,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701039733] [2021-05-01 08:26:30,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-05-01 08:26:30,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:26:30,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-05-01 08:26:30,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4108, Invalid=5012, Unknown=0, NotChecked=0, Total=9120 [2021-05-01 08:26:30,132 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand has 94 states, 93 states have (on average 1.021505376344086) internal successors, (95), 92 states have internal predecessors, (95), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:26:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:26:43,716 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2021-05-01 08:26:43,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-05-01 08:26:43,718 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 1.021505376344086) internal successors, (95), 92 states have internal predecessors, (95), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2021-05-01 08:26:43,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:26:43,718 INFO L225 Difference]: With dead ends: 106 [2021-05-01 08:26:43,718 INFO L226 Difference]: Without dead ends: 101 [2021-05-01 08:26:43,719 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3835 ImplicationChecksByTransitivity, 24363.9ms TimeCoverageRelationStatistics Valid=12205, Invalid=21467, Unknown=0, NotChecked=0, Total=33672 [2021-05-01 08:26:43,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-05-01 08:26:43,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-05-01 08:26:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.0104166666666667) internal successors, (97), 96 states have internal predecessors, (97), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:26:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2021-05-01 08:26:43,727 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2021-05-01 08:26:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:26:43,727 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2021-05-01 08:26:43,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 94 states, 93 states have (on average 1.021505376344086) internal successors, (95), 92 states have internal predecessors, (95), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:26:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2021-05-01 08:26:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-05-01 08:26:43,728 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:26:43,728 INFO L519 BasicCegarLoop]: trace histogram [88, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:26:43,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-05-01 08:26:43,728 INFO L428 AbstractCegarLoop]: === Iteration 89 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:26:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:26:43,728 INFO L82 PathProgramCache]: Analyzing trace with hash 249128344, now seen corresponding path program 88 times [2021-05-01 08:26:43,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:26:43,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130672551] [2021-05-01 08:26:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:26:43,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:26:43,735 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_4097 100) InVars {main_~i~0=v_main_~i~0_4097} OutVars{main_~i~0=v_main_~i~0_4097} AuxVars[] AssignedVars[] [2021-05-01 08:26:43,736 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:26:43,738 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,742 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,748 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:26:43,749 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:26:43,753 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:26:43,758 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,763 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,767 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,772 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,776 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,780 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,784 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,788 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,792 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,794 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:26:43,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:26:43,837 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:26:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:26:43,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:43,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:43,862 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:26:43,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:26:43,893 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:26:43,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:26:43,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:26:43,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:26:43,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:43,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:26:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:26:43,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:26:43,980 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:26:43,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:43,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:43,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:26:43,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:26:44,023 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:26:44,024 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:26:44,070 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,146 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,231 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,276 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,323 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,376 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,427 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,480 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,538 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,596 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,655 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,716 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,779 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,844 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:44,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:44,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,052 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,126 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,290 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,369 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,450 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,533 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,618 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,705 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,885 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:45,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:45,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,071 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,169 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,267 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,369 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,471 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,575 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,786 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:46,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:46,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,005 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,118 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,235 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,471 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,592 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,714 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,839 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:47,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,107 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,372 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,512 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,650 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,795 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:48,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:48,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:49,088 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:49,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:49,240 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:49,399 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:49,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:49,566 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:49,728 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:49,884 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:49,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:50,045 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:50,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:50,207 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:50,372 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:50,555 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:50,725 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:50,896 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:50,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:51,054 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:51,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:51,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:51,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:51,428 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:51,629 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:51,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:51,837 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:51,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:52,043 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:52,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:52,251 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:52,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:52,688 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:52,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:52,896 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:52,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:53,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:53,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:53,328 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:53,542 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:53,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:53,761 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:53,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:53,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:53,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:54,189 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:54,386 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:54,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:54,591 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:54,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:54,817 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:54,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:55,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:26:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:26:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:55,258 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:26:55,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130672551] [2021-05-01 08:26:55,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [130672551] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:26:55,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:26:55,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2021-05-01 08:26:55,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477256742] [2021-05-01 08:26:55,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-05-01 08:26:55,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:26:55,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-05-01 08:26:55,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4199, Invalid=5113, Unknown=0, NotChecked=0, Total=9312 [2021-05-01 08:26:55,259 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand has 95 states, 94 states have (on average 1.0212765957446808) internal successors, (96), 93 states have internal predecessors, (96), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:27:09,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:27:09,361 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2021-05-01 08:27:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-05-01 08:27:09,364 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 1.0212765957446808) internal successors, (96), 93 states have internal predecessors, (96), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2021-05-01 08:27:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:27:09,364 INFO L225 Difference]: With dead ends: 107 [2021-05-01 08:27:09,364 INFO L226 Difference]: Without dead ends: 102 [2021-05-01 08:27:09,365 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3923 ImplicationChecksByTransitivity, 24346.9ms TimeCoverageRelationStatistics Valid=12477, Invalid=21933, Unknown=0, NotChecked=0, Total=34410 [2021-05-01 08:27:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-05-01 08:27:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-05-01 08:27:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 97 states have (on average 1.0103092783505154) internal successors, (98), 97 states have internal predecessors, (98), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:27:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2021-05-01 08:27:09,373 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2021-05-01 08:27:09,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:27:09,373 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2021-05-01 08:27:09,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 95 states, 94 states have (on average 1.0212765957446808) internal successors, (96), 93 states have internal predecessors, (96), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 08:27:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2021-05-01 08:27:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-05-01 08:27:09,374 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:27:09,374 INFO L519 BasicCegarLoop]: trace histogram [89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:27:09,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-05-01 08:27:09,374 INFO L428 AbstractCegarLoop]: === Iteration 90 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:27:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:27:09,374 INFO L82 PathProgramCache]: Analyzing trace with hash -831567098, now seen corresponding path program 89 times [2021-05-01 08:27:09,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:27:09,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997463245] [2021-05-01 08:27:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:27:09,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 08:27:09,381 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_4188 100) InVars {main_~i~0=v_main_~i~0_4188} OutVars{main_~i~0=v_main_~i~0_4188} AuxVars[] AssignedVars[] [2021-05-01 08:27:09,383 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size [2021-05-01 08:27:09,387 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,396 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,400 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,404 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,405 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,412 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:27:09,416 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,417 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:27:09,422 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:27:09,427 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,433 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,438 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,444 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,445 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.4 percent of original size 57 [2021-05-01 08:27:09,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-05-01 08:27:09,491 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:27:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:27:09,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:09,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:09,515 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-05-01 08:27:09,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:27:09,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 08:27:09,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:27:09,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:27:09,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:27:09,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:27:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:27:09,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 08:27:09,639 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-05-01 08:27:09,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:09,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 08:27:09,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 08:27:09,685 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-05-01 08:27:09,686 INFO L147 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size 14 [2021-05-01 08:27:09,739 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:09,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:09,782 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:09,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:09,825 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:09,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:09,871 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:09,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:09,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:09,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:09,965 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:09,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,015 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,120 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,234 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,294 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,419 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,486 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,554 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,624 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,771 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:10,926 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:10,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,007 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,455 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,549 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,657 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,855 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:11,957 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,062 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,390 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,504 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,736 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:12,877 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,015 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,147 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,278 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,416 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,552 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,693 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,832 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:13,974 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:14,118 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:14,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:14,265 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:14,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:14,416 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:14,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:14,570 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:14,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:14,734 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:14,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:14,888 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:15,040 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:15,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:15,194 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:15,350 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:15,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 08:27:15,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-05-01 08:27:15,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14