/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/benchmark34_conjunctive.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 08:17:03,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 08:17:03,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 08:17:03,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-01 08:17:03,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 08:17:03,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 08:17:03,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 08:17:03,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 08:17:03,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 08:17:03,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 08:17:03,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 08:17:03,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 08:17:03,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 08:17:03,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 08:17:03,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 08:17:03,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 08:17:03,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 08:17:03,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 08:17:03,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 08:17:03,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 08:17:03,540 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 08:17:03,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 08:17:03,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 08:17:03,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 08:17:03,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 08:17:03,559 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 08:17:03,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 08:17:03,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 08:17:03,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 08:17:03,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 08:17:03,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 08:17:03,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 08:17:03,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 08:17:03,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 08:17:03,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 08:17:03,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-01 08:17:03,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-01 08:17:03,561 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-01 08:17:03,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 08:17:03,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 08:17:03,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 08:17:03,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 08:17:03,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 08:17:03,881 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 08:17:03,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-zilu/benchmark34_conjunctive.i [2021-05-01 08:17:03,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0ef68724/9841d394ba034238b23faf2c52ec6a48/FLAG3db289602 [2021-05-01 08:17:04,523 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 08:17:04,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark34_conjunctive.i [2021-05-01 08:17:04,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0ef68724/9841d394ba034238b23faf2c52ec6a48/FLAG3db289602 [2021-05-01 08:17:04,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0ef68724/9841d394ba034238b23faf2c52ec6a48 [2021-05-01 08:17:04,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 08:17:04,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-01 08:17:04,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 08:17:04,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 08:17:04,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 08:17:04,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329e2831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04, skipping insertion in model container [2021-05-01 08:17:04,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 08:17:04,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 08:17:04,817 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/benchmark34_conjunctive.i[873,886] [2021-05-01 08:17:04,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 08:17:04,832 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 08:17:04,881 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/benchmark34_conjunctive.i[873,886] [2021-05-01 08:17:04,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 08:17:04,893 INFO L208 MainTranslator]: Completed translation [2021-05-01 08:17:04,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04 WrapperNode [2021-05-01 08:17:04,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 08:17:04,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 08:17:04,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 08:17:04,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 08:17:04,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (1/1) ... [2021-05-01 08:17:04,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 08:17:04,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 08:17:04,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 08:17:04,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 08:17:04,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (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 08:17:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 08:17:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 08:17:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 08:17:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 08:17:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 08:17:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 08:17:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-01 08:17:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-01 08:17:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 08:17:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 08:17:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-01 08:17:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-05-01 08:17:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 08:17:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 08:17:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 08:17:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 08:17:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 08:17:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 08:17:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 08:17:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 08:17:05,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 08:17:05,193 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 08:17:05,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 08:17:05 BoogieIcfgContainer [2021-05-01 08:17:05,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 08:17:05,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 08:17:05,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 08:17:05,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 08:17:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 08:17:04" (1/3) ... [2021-05-01 08:17:05,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f24463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 08:17:05, skipping insertion in model container [2021-05-01 08:17:05,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 08:17:04" (2/3) ... [2021-05-01 08:17:05,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f24463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 08:17:05, skipping insertion in model container [2021-05-01 08:17:05,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 08:17:05" (3/3) ... [2021-05-01 08:17:05,200 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark34_conjunctive.i [2021-05-01 08:17:05,204 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-01 08:17:05,206 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 08:17:05,217 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 08:17:05,230 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 08:17:05,230 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-01 08:17:05,230 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-01 08:17:05,231 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 08:17:05,231 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 08:17:05,231 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 08:17:05,231 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 08:17:05,231 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 08:17:05,240 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 08:17:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-01 08:17:05,245 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:05,245 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:05,246 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:05,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:05,250 INFO L82 PathProgramCache]: Analyzing trace with hash -304977768, now seen corresponding path program 1 times [2021-05-01 08:17:05,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:05,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472368334] [2021-05-01 08:17:05,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:05,343 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-01 08:17:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:05,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:05,492 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-05-01 08:17:05,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:05,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:05,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:05,545 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 08:17:05,547 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:05,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472368334] [2021-05-01 08:17:05,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [472368334] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:05,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:05,548 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-01 08:17:05,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578167619] [2021-05-01 08:17:05,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-01 08:17:05,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:05,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-01 08:17:05,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 08:17:05,561 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 08:17:05,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:05,656 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-05-01 08:17:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-01 08:17:05,658 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 08:17:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:05,662 INFO L225 Difference]: With dead ends: 33 [2021-05-01 08:17:05,665 INFO L226 Difference]: Without dead ends: 14 [2021-05-01 08:17:05,668 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 64.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-01 08:17:05,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-05-01 08:17:05,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-05-01 08:17:05,695 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 08:17:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-05-01 08:17:05,697 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-05-01 08:17:05,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:05,697 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-05-01 08:17:05,698 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 08:17:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-05-01 08:17:05,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-01 08:17:05,699 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:05,699 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:05,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 08:17:05,699 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:05,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash -828987386, now seen corresponding path program 1 times [2021-05-01 08:17:05,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:05,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145403241] [2021-05-01 08:17:05,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:05,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:05,761 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_6) (< v_main_~j~0_8 v_main_~n~0_6)) InVars {main_~n~0=v_main_~n~0_6, main_~j~0=v_main_~j~0_8} OutVars{main_~n~0=v_main_~n~0_6, main_~j~0=v_main_~j~0_8} AuxVars[] AssignedVars[] [2021-05-01 08:17:05,781 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:05,789 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,795 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,798 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,803 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,806 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,818 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,825 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,827 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,835 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,838 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:05,839 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:05,841 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,849 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,852 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,854 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:05,856 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,860 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,862 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:05,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:05,898 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:05,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:05,947 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:05,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:05,958 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:05,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:05,971 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:05,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:05,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:05,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:05,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:05,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:06,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,011 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 08:17:06,015 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:06,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:06,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:06,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:06,050 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:06,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:06,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:06,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,090 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:06,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145403241] [2021-05-01 08:17:06,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2145403241] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:06,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:06,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-01 08:17:06,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299230089] [2021-05-01 08:17:06,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-01 08:17:06,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:06,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-01 08:17:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-01 08:17:06,092 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 08:17:06,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:06,310 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-05-01 08:17:06,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-01 08:17:06,310 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 08:17:06,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:06,311 INFO L225 Difference]: With dead ends: 20 [2021-05-01 08:17:06,311 INFO L226 Difference]: Without dead ends: 15 [2021-05-01 08:17:06,312 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 251.3ms TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-05-01 08:17:06,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-05-01 08:17:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-05-01 08:17:06,316 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 08:17:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-05-01 08:17:06,317 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-05-01 08:17:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:06,317 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-05-01 08:17:06,317 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 08:17:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-05-01 08:17:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-01 08:17:06,318 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:06,318 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:06,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-01 08:17:06,318 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:06,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:06,318 INFO L82 PathProgramCache]: Analyzing trace with hash 106583640, now seen corresponding path program 2 times [2021-05-01 08:17:06,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:06,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012496806] [2021-05-01 08:17:06,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:06,325 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_7) (< v_main_~j~0_12 v_main_~n~0_7)) InVars {main_~n~0=v_main_~n~0_7, main_~j~0=v_main_~j~0_12} OutVars{main_~n~0=v_main_~n~0_7, main_~j~0=v_main_~j~0_12} AuxVars[] AssignedVars[] [2021-05-01 08:17:06,329 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:06,331 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,334 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:06,337 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,337 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:06,340 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,343 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,345 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:06,347 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,349 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,351 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,354 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,356 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,358 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,360 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,362 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,364 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,366 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,367 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:06,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:06,386 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:06,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,414 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:06,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:06,423 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:06,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:06,437 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:06,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:06,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:06,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:06,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:06,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,477 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 08:17:06,479 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:06,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:06,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:06,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:06,508 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:06,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:06,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:06,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:06,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:06,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:06,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:06,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,575 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:06,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012496806] [2021-05-01 08:17:06,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2012496806] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:06,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:06,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-01 08:17:06,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928819250] [2021-05-01 08:17:06,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-01 08:17:06,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:06,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-01 08:17:06,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-05-01 08:17:06,577 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 08:17:06,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:06,834 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-05-01 08:17:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-01 08:17:06,838 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 08:17:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:06,849 INFO L225 Difference]: With dead ends: 21 [2021-05-01 08:17:06,849 INFO L226 Difference]: Without dead ends: 16 [2021-05-01 08:17:06,850 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 294.4ms TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-05-01 08:17:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-05-01 08:17:06,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-05-01 08:17:06,854 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 08:17:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-05-01 08:17:06,855 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2021-05-01 08:17:06,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:06,855 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-05-01 08:17:06,855 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 08:17:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-05-01 08:17:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-05-01 08:17:06,855 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:06,855 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:06,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-01 08:17:06,856 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:06,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:06,856 INFO L82 PathProgramCache]: Analyzing trace with hash -955485626, now seen corresponding path program 3 times [2021-05-01 08:17:06,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:06,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531074411] [2021-05-01 08:17:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:06,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:06,862 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_17 v_main_~n~0_8) (< 0 v_main_~n~0_8)) InVars {main_~n~0=v_main_~n~0_8, main_~j~0=v_main_~j~0_17} OutVars{main_~n~0=v_main_~n~0_8, main_~j~0=v_main_~j~0_17} AuxVars[] AssignedVars[] [2021-05-01 08:17:06,866 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:06,868 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,871 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:06,873 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,874 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:06,876 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:06,878 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,881 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,883 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,885 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,888 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,890 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,892 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,894 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,895 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,897 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,899 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,901 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,902 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:06,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:06,926 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:06,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:06,968 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:06,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:06,977 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:06,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:06,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:06,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:06,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:06,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:06,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:07,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:07,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,029 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 08:17:07,031 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:07,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:07,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:07,112 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:07,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,122 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:07,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:07,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:07,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:07,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:07,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:07,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,204 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:07,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531074411] [2021-05-01 08:17:07,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1531074411] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:07,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:07,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-01 08:17:07,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015781868] [2021-05-01 08:17:07,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-01 08:17:07,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:07,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-01 08:17:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-05-01 08:17:07,206 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 08:17:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:07,610 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2021-05-01 08:17:07,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-01 08:17:07,611 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 08:17:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:07,611 INFO L225 Difference]: With dead ends: 22 [2021-05-01 08:17:07,611 INFO L226 Difference]: Without dead ends: 17 [2021-05-01 08:17:07,612 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 452.7ms TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-05-01 08:17:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-05-01 08:17:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-05-01 08:17:07,616 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 08:17:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-05-01 08:17:07,616 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2021-05-01 08:17:07,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:07,616 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2021-05-01 08:17:07,616 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 08:17:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-05-01 08:17:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-05-01 08:17:07,617 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:07,617 INFO L519 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:07,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-01 08:17:07,617 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:07,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:07,618 INFO L82 PathProgramCache]: Analyzing trace with hash 480105496, now seen corresponding path program 4 times [2021-05-01 08:17:07,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:07,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487836256] [2021-05-01 08:17:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:07,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:07,623 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_23 v_main_~n~0_9) (< 0 v_main_~n~0_9)) InVars {main_~n~0=v_main_~n~0_9, main_~j~0=v_main_~j~0_23} OutVars{main_~n~0=v_main_~n~0_9, main_~j~0=v_main_~j~0_23} AuxVars[] AssignedVars[] [2021-05-01 08:17:07,625 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:07,628 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,630 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,632 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,634 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,639 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,641 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,643 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,643 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,646 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,648 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:07,649 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:07,651 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,653 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,655 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,656 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:07,658 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,660 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,660 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:07,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:07,678 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:07,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,698 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:07,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:07,705 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:07,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:07,716 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:07,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:07,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:07,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:07,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,762 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 08:17:07,765 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:07,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:07,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:07,792 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:07,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:07,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:07,853 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:07,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:07,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:07,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:07,886 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:07,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:07,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:07,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:07,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:07,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:07,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:07,928 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:07,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487836256] [2021-05-01 08:17:07,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1487836256] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:07,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:07,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-05-01 08:17:07,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867338055] [2021-05-01 08:17:07,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-01 08:17:07,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:07,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-01 08:17:07,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-05-01 08:17:07,929 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 08:17:08,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:08,319 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2021-05-01 08:17:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-01 08:17:08,320 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 08:17:08,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:08,320 INFO L225 Difference]: With dead ends: 23 [2021-05-01 08:17:08,320 INFO L226 Difference]: Without dead ends: 18 [2021-05-01 08:17:08,321 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 450.9ms TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-05-01 08:17:08,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-05-01 08:17:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-05-01 08:17:08,325 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 08:17:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2021-05-01 08:17:08,325 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2021-05-01 08:17:08,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:08,325 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2021-05-01 08:17:08,326 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 08:17:08,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2021-05-01 08:17:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-01 08:17:08,326 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:08,326 INFO L519 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:08,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-01 08:17:08,326 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:08,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2033757318, now seen corresponding path program 5 times [2021-05-01 08:17:08,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:08,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508544152] [2021-05-01 08:17:08,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:08,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:08,339 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_30 v_main_~n~0_10) (< 0 v_main_~n~0_10)) InVars {main_~n~0=v_main_~n~0_10, main_~j~0=v_main_~j~0_30} OutVars{main_~n~0=v_main_~n~0_10, main_~j~0=v_main_~j~0_30} AuxVars[] AssignedVars[] [2021-05-01 08:17:08,341 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:08,344 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,346 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,348 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,350 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,352 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,354 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,357 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,357 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,360 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:08,364 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,366 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:08,368 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:08,370 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,373 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,375 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,376 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,378 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,379 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:08,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:08,395 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:08,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:08,441 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:08,453 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:08,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:08,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:08,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:08,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:08,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:08,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:08,507 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 08:17:08,508 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:08,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:08,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:08,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:08,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:08,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:08,574 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:08,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:08,577 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:08,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:08,612 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:08,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:08,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:08,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:08,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:08,662 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:08,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:08,667 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:08,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:08,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:08,705 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:08,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:08,712 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:08,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:08,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:08,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:08,752 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:08,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508544152] [2021-05-01 08:17:08,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [508544152] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:08,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:08,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-05-01 08:17:08,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310683087] [2021-05-01 08:17:08,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-01 08:17:08,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:08,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-01 08:17:08,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-05-01 08:17:08,753 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 08:17:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:09,265 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-05-01 08:17:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-01 08:17:09,266 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 08:17:09,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:09,267 INFO L225 Difference]: With dead ends: 24 [2021-05-01 08:17:09,267 INFO L226 Difference]: Without dead ends: 19 [2021-05-01 08:17:09,267 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 612.6ms TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2021-05-01 08:17:09,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-05-01 08:17:09,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-05-01 08:17:09,272 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 08:17:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-05-01 08:17:09,273 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2021-05-01 08:17:09,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:09,273 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-05-01 08:17:09,273 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 08:17:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-05-01 08:17:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-05-01 08:17:09,273 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:09,273 INFO L519 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:09,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-01 08:17:09,274 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:09,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:09,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1342643752, now seen corresponding path program 6 times [2021-05-01 08:17:09,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:09,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145123192] [2021-05-01 08:17:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:09,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:09,284 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_11) (< v_main_~j~0_38 v_main_~n~0_11)) InVars {main_~n~0=v_main_~n~0_11, main_~j~0=v_main_~j~0_38} OutVars{main_~n~0=v_main_~n~0_11, main_~j~0=v_main_~j~0_38} AuxVars[] AssignedVars[] [2021-05-01 08:17:09,286 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:09,290 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,292 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,294 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,296 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,298 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,300 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,302 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,303 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,306 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,308 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:09,308 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:09,310 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,313 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:09,315 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,317 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,319 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,321 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,322 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:09,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:09,341 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:09,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:09,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:09,363 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:17:09,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:09,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:09,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:09,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:09,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:09,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:09,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,414 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 08:17:09,415 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:09,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:09,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:09,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:09,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:09,476 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:09,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:09,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:09,512 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:09,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 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 81 [2021-05-01 08:17:09,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:09,554 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:09,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:09,598 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:09,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:09,669 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:09,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:09,678 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:09,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:09,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:09,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:09,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:09,719 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:09,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145123192] [2021-05-01 08:17:09,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2145123192] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:09,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:09,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-05-01 08:17:09,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123851790] [2021-05-01 08:17:09,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-01 08:17:09,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:09,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-01 08:17:09,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-05-01 08:17:09,721 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 08:17:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:10,272 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-05-01 08:17:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-01 08:17:10,273 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 08:17:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:10,274 INFO L225 Difference]: With dead ends: 25 [2021-05-01 08:17:10,274 INFO L226 Difference]: Without dead ends: 20 [2021-05-01 08:17:10,274 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 698.8ms TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2021-05-01 08:17:10,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-05-01 08:17:10,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-05-01 08:17:10,279 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 08:17:10,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-05-01 08:17:10,280 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2021-05-01 08:17:10,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:10,280 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-05-01 08:17:10,280 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 08:17:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-05-01 08:17:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-05-01 08:17:10,280 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:10,281 INFO L519 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:10,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-01 08:17:10,281 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:10,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:10,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1363105478, now seen corresponding path program 7 times [2021-05-01 08:17:10,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:10,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634346262] [2021-05-01 08:17:10,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:10,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:10,286 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_12) (< v_main_~j~0_47 v_main_~n~0_12)) InVars {main_~n~0=v_main_~n~0_12, main_~j~0=v_main_~j~0_47} OutVars{main_~n~0=v_main_~n~0_12, main_~j~0=v_main_~j~0_47} AuxVars[] AssignedVars[] [2021-05-01 08:17:10,288 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:10,289 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,297 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,299 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:10,300 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:10,302 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,308 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,309 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,311 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:10,315 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,318 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,320 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,321 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,323 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,324 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,326 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,327 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,329 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,330 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:10,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:10,352 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:10,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:10,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:10,378 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:17:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:10,386 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:10,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 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 1 [2021-05-01 08:17:10,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:10,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:10,420 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 08:17:10,422 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:10,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:10,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:10,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,481 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:10,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,484 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:10,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,511 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:10,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:10,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,581 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:10,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:10,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,624 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:10,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:10,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,664 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:10,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,668 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:10,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,718 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:10,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:10,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:10,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:10,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:10,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:10,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:10,766 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:10,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634346262] [2021-05-01 08:17:10,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [634346262] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:10,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:10,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-05-01 08:17:10,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617894009] [2021-05-01 08:17:10,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-01 08:17:10,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:10,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-01 08:17:10,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-05-01 08:17:10,767 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 08:17:11,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:11,329 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-05-01 08:17:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-01 08:17:11,330 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 08:17:11,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:11,330 INFO L225 Difference]: With dead ends: 26 [2021-05-01 08:17:11,330 INFO L226 Difference]: Without dead ends: 21 [2021-05-01 08:17:11,331 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 772.1ms TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2021-05-01 08:17:11,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-05-01 08:17:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-05-01 08:17:11,336 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 08:17:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-05-01 08:17:11,337 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2021-05-01 08:17:11,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:11,337 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-05-01 08:17:11,337 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 08:17:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-05-01 08:17:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-05-01 08:17:11,337 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:11,337 INFO L519 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:11,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-01 08:17:11,338 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:11,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:11,338 INFO L82 PathProgramCache]: Analyzing trace with hash -658014312, now seen corresponding path program 8 times [2021-05-01 08:17:11,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:11,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031267657] [2021-05-01 08:17:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:11,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:11,342 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_13) (< v_main_~j~0_57 v_main_~n~0_13)) InVars {main_~n~0=v_main_~n~0_13, main_~j~0=v_main_~j~0_57} OutVars{main_~n~0=v_main_~n~0_13, main_~j~0=v_main_~j~0_57} AuxVars[] AssignedVars[] [2021-05-01 08:17:11,344 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:11,347 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,349 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,351 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,353 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,355 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,357 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,359 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,359 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,371 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:11,373 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,373 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:11,376 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,377 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:11,379 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,381 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,382 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,384 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,385 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:11,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:11,401 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:11,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:11,429 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:11,436 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:17:11,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:11,444 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:11,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:11,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:11,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:11,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:11,484 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 08:17:11,485 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:11,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:11,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:11,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,544 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,575 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,649 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,652 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,690 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,693 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,735 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,782 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:11,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:11,785 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:11,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:11,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:11,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:11,834 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:11,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031267657] [2021-05-01 08:17:11,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2031267657] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:11,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:11,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-05-01 08:17:11,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848235521] [2021-05-01 08:17:11,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-01 08:17:11,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:11,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-01 08:17:11,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-05-01 08:17:11,836 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 08:17:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:12,504 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-05-01 08:17:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-01 08:17:12,505 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 08:17:12,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:12,505 INFO L225 Difference]: With dead ends: 27 [2021-05-01 08:17:12,505 INFO L226 Difference]: Without dead ends: 22 [2021-05-01 08:17:12,506 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 865.0ms TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2021-05-01 08:17:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-05-01 08:17:12,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-05-01 08:17:12,512 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 08:17:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-05-01 08:17:12,513 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2021-05-01 08:17:12,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:12,513 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-05-01 08:17:12,513 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 08:17:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-05-01 08:17:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-05-01 08:17:12,513 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:12,513 INFO L519 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:12,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-01 08:17:12,514 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1111781638, now seen corresponding path program 9 times [2021-05-01 08:17:12,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:12,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093274544] [2021-05-01 08:17:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:12,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:12,521 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_68 v_main_~n~0_14) (< 0 v_main_~n~0_14)) InVars {main_~n~0=v_main_~n~0_14, main_~j~0=v_main_~j~0_68} OutVars{main_~n~0=v_main_~n~0_14, main_~j~0=v_main_~j~0_68} AuxVars[] AssignedVars[] [2021-05-01 08:17:12,523 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:12,526 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,528 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,530 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,532 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,534 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,535 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,537 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,538 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,540 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,543 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:12,543 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:12,547 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:12,549 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,551 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,553 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,555 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,556 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,557 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:12,573 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:12,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:12,596 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:12,603 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:12,614 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:12,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:12,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:12,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:12,650 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 08:17:12,651 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:12,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:12,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:12,677 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:12,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:12,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,710 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,735 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:12,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,767 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:12,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,812 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:12,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,852 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:12,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,908 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:12,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:12,962 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:12,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:12,965 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:13,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:13,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:13,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:13,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:13,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:13,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:13,064 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:13,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093274544] [2021-05-01 08:17:13,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2093274544] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:13,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:13,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-05-01 08:17:13,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727335215] [2021-05-01 08:17:13,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-01 08:17:13,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:13,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-01 08:17:13,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-05-01 08:17:13,066 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 08:17:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:13,717 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2021-05-01 08:17:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-01 08:17:13,717 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 08:17:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:13,718 INFO L225 Difference]: With dead ends: 28 [2021-05-01 08:17:13,718 INFO L226 Difference]: Without dead ends: 23 [2021-05-01 08:17:13,719 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 880.6ms TimeCoverageRelationStatistics Valid=248, Invalid=682, Unknown=0, NotChecked=0, Total=930 [2021-05-01 08:17:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-05-01 08:17:13,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-05-01 08:17:13,726 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 08:17:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2021-05-01 08:17:13,726 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2021-05-01 08:17:13,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:13,727 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2021-05-01 08:17:13,727 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 08:17:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2021-05-01 08:17:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-05-01 08:17:13,727 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:13,727 INFO L519 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:13,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-01 08:17:13,727 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:13,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:13,728 INFO L82 PathProgramCache]: Analyzing trace with hash 140881240, now seen corresponding path program 10 times [2021-05-01 08:17:13,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:13,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513396534] [2021-05-01 08:17:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:13,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 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 7 [2021-05-01 08:17:13,734 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_80 v_main_~n~0_15) (< 0 v_main_~n~0_15)) InVars {main_~n~0=v_main_~n~0_15, main_~j~0=v_main_~j~0_80} OutVars{main_~n~0=v_main_~n~0_15, main_~j~0=v_main_~j~0_80} AuxVars[] AssignedVars[] [2021-05-01 08:17:13,736 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:13,737 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,740 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:13,741 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,742 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:13,744 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:13,747 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,749 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,751 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,753 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,755 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,757 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,758 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,760 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,762 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,763 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,765 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,767 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,767 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:13,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:13,784 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:13,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:13,800 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:13,807 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:13,818 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:13,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:13,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:13,857 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 08:17:13,858 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:13,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:13,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:13,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:13,901 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:13,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:13,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:13,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:13,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:13,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:13,936 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:13,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:13,961 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:13,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:13,963 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:13,993 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:13,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:13,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,028 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:14,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:14,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,077 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:14,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:14,080 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:14,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,129 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:14,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:14,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:14,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:14,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,174 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:14,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:14,177 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:14,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,223 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:14,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:14,225 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:14,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,273 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:14,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:14,275 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:14,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:14,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:14,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:14,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:14,325 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:14,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513396534] [2021-05-01 08:17:14,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1513396534] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:14,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:14,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-05-01 08:17:14,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022588869] [2021-05-01 08:17:14,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-01 08:17:14,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:14,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-01 08:17:14,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2021-05-01 08:17:14,327 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 08:17:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:15,065 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-05-01 08:17:15,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-01 08:17:15,065 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 08:17:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:15,066 INFO L225 Difference]: With dead ends: 29 [2021-05-01 08:17:15,066 INFO L226 Difference]: Without dead ends: 24 [2021-05-01 08:17:15,066 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1015.8ms TimeCoverageRelationStatistics Valid=286, Invalid=770, Unknown=0, NotChecked=0, Total=1056 [2021-05-01 08:17:15,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-05-01 08:17:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-05-01 08:17:15,073 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 08:17:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-05-01 08:17:15,074 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2021-05-01 08:17:15,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:15,074 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-05-01 08:17:15,074 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 08:17:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-05-01 08:17:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-01 08:17:15,074 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:15,075 INFO L519 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:15,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-01 08:17:15,075 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:15,075 INFO L82 PathProgramCache]: Analyzing trace with hash 107739974, now seen corresponding path program 11 times [2021-05-01 08:17:15,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:15,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295600448] [2021-05-01 08:17:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:15,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:15,081 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_93 v_main_~n~0_16) (< 0 v_main_~n~0_16)) InVars {main_~n~0=v_main_~n~0_16, main_~j~0=v_main_~j~0_93} OutVars{main_~n~0=v_main_~n~0_16, main_~j~0=v_main_~j~0_93} AuxVars[] AssignedVars[] [2021-05-01 08:17:15,082 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:15,083 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,086 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,088 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:15,088 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:15,090 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:15,092 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,095 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,097 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,098 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,100 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,102 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,104 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,106 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,107 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,109 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,110 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,112 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,113 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:15,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:15,130 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:15,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:15,164 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:15,171 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:15,181 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:15,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:15,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:15,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:15,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:15,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:15,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:15,217 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 08:17:15,218 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:15,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:15,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:15,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,275 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,308 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,311 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,347 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,349 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,389 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,392 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,437 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,441 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 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 81 [2021-05-01 08:17:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,488 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,491 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,607 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,676 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,679 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,743 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:15,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:15,745 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:15,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:15,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:15,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:15,811 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:15,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295600448] [2021-05-01 08:17:15,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1295600448] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:15,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:15,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-05-01 08:17:15,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955611065] [2021-05-01 08:17:15,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-01 08:17:15,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:15,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-01 08:17:15,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2021-05-01 08:17:15,812 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 08:17:16,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:16,876 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-05-01 08:17:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-01 08:17:16,877 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 08:17:16,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:16,878 INFO L225 Difference]: With dead ends: 30 [2021-05-01 08:17:16,878 INFO L226 Difference]: Without dead ends: 25 [2021-05-01 08:17:16,879 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1411.0ms TimeCoverageRelationStatistics Valid=327, Invalid=863, Unknown=0, NotChecked=0, Total=1190 [2021-05-01 08:17:16,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-05-01 08:17:16,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-05-01 08:17:16,890 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 08:17:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-05-01 08:17:16,891 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2021-05-01 08:17:16,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:16,891 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2021-05-01 08:17:16,891 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 08:17:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-05-01 08:17:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-05-01 08:17:16,892 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:16,892 INFO L519 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:16,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-01 08:17:16,892 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:16,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:16,893 INFO L82 PathProgramCache]: Analyzing trace with hash -919639272, now seen corresponding path program 12 times [2021-05-01 08:17:16,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:16,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054440645] [2021-05-01 08:17:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:16,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:16,900 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_17) (< v_main_~j~0_107 v_main_~n~0_17)) InVars {main_~n~0=v_main_~n~0_17, main_~j~0=v_main_~j~0_107} OutVars{main_~n~0=v_main_~n~0_17, main_~j~0=v_main_~j~0_107} AuxVars[] AssignedVars[] [2021-05-01 08:17:16,901 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:16,906 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,908 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,911 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,913 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,916 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,929 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,932 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,932 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,935 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,938 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:16,938 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:16,940 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,942 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:16,944 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,946 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,949 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,951 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,951 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:16,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:16,970 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:16,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:16,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:16,998 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:16,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:17,005 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:17,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:17,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:17,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:17,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:17,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:17,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:17,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:17,063 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 08:17:17,065 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:17,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,157 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,161 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,197 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,201 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,241 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,244 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,285 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,288 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,333 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,385 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,388 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,445 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,449 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,508 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,571 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,581 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,649 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,652 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,722 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:17,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:17,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:17,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:17,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:17,801 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:17,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054440645] [2021-05-01 08:17:17,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1054440645] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:17,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:17,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-05-01 08:17:17,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920932855] [2021-05-01 08:17:17,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-01 08:17:17,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:17,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-01 08:17:17,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2021-05-01 08:17:17,802 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 08:17:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:18,800 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2021-05-01 08:17:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-01 08:17:18,801 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 08:17:18,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:18,802 INFO L225 Difference]: With dead ends: 31 [2021-05-01 08:17:18,802 INFO L226 Difference]: Without dead ends: 26 [2021-05-01 08:17:18,803 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1479.0ms TimeCoverageRelationStatistics Valid=371, Invalid=961, Unknown=0, NotChecked=0, Total=1332 [2021-05-01 08:17:18,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-01 08:17:18,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-05-01 08:17:18,812 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 08:17:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-05-01 08:17:18,812 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2021-05-01 08:17:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:18,812 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-05-01 08:17:18,812 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 08:17:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-05-01 08:17:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-05-01 08:17:18,813 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:18,813 INFO L519 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:18,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-01 08:17:18,813 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:18,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:18,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1591342470, now seen corresponding path program 13 times [2021-05-01 08:17:18,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:18,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410333863] [2021-05-01 08:17:18,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:18,817 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_18) (< v_main_~j~0_122 v_main_~n~0_18)) InVars {main_~n~0=v_main_~n~0_18, main_~j~0=v_main_~j~0_122} OutVars{main_~n~0=v_main_~n~0_18, main_~j~0=v_main_~j~0_122} AuxVars[] AssignedVars[] [2021-05-01 08:17:18,822 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:18,823 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,834 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:18,836 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,836 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:18,839 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,842 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,844 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:18,845 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,847 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,850 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,851 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,853 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,855 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,856 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,858 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,860 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,861 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,862 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:18,878 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:18,891 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:18,898 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:18,908 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:18,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:18,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:18,953 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 08:17:18,954 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:18,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:18,979 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:18,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:18,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:18,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:18,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:19,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,009 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,035 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,065 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,098 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,100 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,136 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,176 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,216 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,259 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,305 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,307 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,356 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,411 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,467 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:19,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:19,469 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:19,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:19,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:19,526 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:19,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410333863] [2021-05-01 08:17:19,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [410333863] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:19,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:19,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-05-01 08:17:19,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310008378] [2021-05-01 08:17:19,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-01 08:17:19,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:19,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-01 08:17:19,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2021-05-01 08:17:19,528 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 08:17:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:20,368 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-05-01 08:17:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-01 08:17:20,369 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 08:17:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:20,369 INFO L225 Difference]: With dead ends: 32 [2021-05-01 08:17:20,370 INFO L226 Difference]: Without dead ends: 27 [2021-05-01 08:17:20,370 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1294.8ms TimeCoverageRelationStatistics Valid=418, Invalid=1064, Unknown=0, NotChecked=0, Total=1482 [2021-05-01 08:17:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-05-01 08:17:20,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-05-01 08:17:20,379 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 08:17:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2021-05-01 08:17:20,380 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2021-05-01 08:17:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:20,380 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2021-05-01 08:17:20,380 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 08:17:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2021-05-01 08:17:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-01 08:17:20,380 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:20,380 INFO L519 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:20,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-01 08:17:20,381 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:20,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:20,381 INFO L82 PathProgramCache]: Analyzing trace with hash 2122365144, now seen corresponding path program 14 times [2021-05-01 08:17:20,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:20,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230189940] [2021-05-01 08:17:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:20,387 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_19) (< v_main_~j~0_138 v_main_~n~0_19)) InVars {main_~n~0=v_main_~n~0_19, main_~j~0=v_main_~j~0_138} OutVars{main_~n~0=v_main_~n~0_19, main_~j~0=v_main_~j~0_138} AuxVars[] AssignedVars[] [2021-05-01 08:17:20,389 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:20,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,394 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,396 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,398 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,400 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,402 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,405 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,405 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,408 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:20,410 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,410 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:20,412 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,413 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:20,415 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,417 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,419 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,421 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,421 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:20,438 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:20,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:20,458 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:20,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:20,466 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:20,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:20,479 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:20,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:20,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:20,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:20,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:20,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:20,517 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 08:17:20,518 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:20,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:20,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:20,543 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:20,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:20,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,599 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,660 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,696 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,741 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,784 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,835 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,885 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,937 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,939 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:20,989 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:20,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:20,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:20,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:21,045 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:21,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:21,047 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:21,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:21,100 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:21,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:21,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:21,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:21,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:21,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:21,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:21,180 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:21,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230189940] [2021-05-01 08:17:21,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1230189940] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:21,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:21,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-05-01 08:17:21,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415023188] [2021-05-01 08:17:21,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-01 08:17:21,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:21,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-01 08:17:21,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2021-05-01 08:17:21,181 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 08:17:22,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:22,170 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2021-05-01 08:17:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-01 08:17:22,171 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 08:17:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:22,171 INFO L225 Difference]: With dead ends: 33 [2021-05-01 08:17:22,171 INFO L226 Difference]: Without dead ends: 28 [2021-05-01 08:17:22,172 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1463.0ms TimeCoverageRelationStatistics Valid=468, Invalid=1172, Unknown=0, NotChecked=0, Total=1640 [2021-05-01 08:17:22,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-05-01 08:17:22,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-05-01 08:17:22,182 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 08:17:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2021-05-01 08:17:22,183 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2021-05-01 08:17:22,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:22,183 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2021-05-01 08:17:22,183 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 08:17:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2021-05-01 08:17:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-05-01 08:17:22,183 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:22,184 INFO L519 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:22,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-01 08:17:22,184 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:22,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1404198854, now seen corresponding path program 15 times [2021-05-01 08:17:22,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:22,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038333452] [2021-05-01 08:17:22,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:22,193 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_20) (< v_main_~j~0_155 v_main_~n~0_20)) InVars {main_~n~0=v_main_~n~0_20, main_~j~0=v_main_~j~0_155} OutVars{main_~n~0=v_main_~n~0_20, main_~j~0=v_main_~j~0_155} AuxVars[] AssignedVars[] [2021-05-01 08:17:22,194 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:22,195 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,198 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,200 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:22,201 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:22,203 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,205 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:22,207 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,209 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,210 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,213 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,215 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,217 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,218 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,220 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,222 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,223 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,225 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,226 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:22,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:22,243 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:22,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:22,266 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:22,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:22,273 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:22,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:22,283 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:22,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:22,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:22,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:22,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:22,316 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 08:17:22,317 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:22,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,375 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,377 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,410 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,451 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,496 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,500 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,554 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,556 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,605 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,657 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,666 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,720 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,845 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,922 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,925 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:22,994 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:22,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:22,996 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:23,074 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:23,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:23,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:23,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:23,163 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:23,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:23,166 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:23,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:23,257 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:23,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038333452] [2021-05-01 08:17:23,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2038333452] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:23,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:23,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-01 08:17:23,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308388022] [2021-05-01 08:17:23,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-01 08:17:23,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:23,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-01 08:17:23,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=369, Unknown=0, NotChecked=0, Total=552 [2021-05-01 08:17:23,258 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 08:17:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:24,685 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-05-01 08:17:24,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-01 08:17:24,686 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 08:17:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:24,687 INFO L225 Difference]: With dead ends: 34 [2021-05-01 08:17:24,687 INFO L226 Difference]: Without dead ends: 29 [2021-05-01 08:17:24,687 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2069.4ms TimeCoverageRelationStatistics Valid=521, Invalid=1285, Unknown=0, NotChecked=0, Total=1806 [2021-05-01 08:17:24,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-05-01 08:17:24,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-05-01 08:17:24,700 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 08:17:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2021-05-01 08:17:24,701 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2021-05-01 08:17:24,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:24,701 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2021-05-01 08:17:24,701 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 08:17:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2021-05-01 08:17:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-05-01 08:17:24,702 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:24,702 INFO L519 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:24,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-01 08:17:24,702 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:24,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:24,702 INFO L82 PathProgramCache]: Analyzing trace with hash 615880344, now seen corresponding path program 16 times [2021-05-01 08:17:24,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:24,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153320504] [2021-05-01 08:17:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:24,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:24,707 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_21) (< v_main_~j~0_173 v_main_~n~0_21)) InVars {main_~n~0=v_main_~n~0_21, main_~j~0=v_main_~j~0_173} OutVars{main_~n~0=v_main_~n~0_21, main_~j~0=v_main_~j~0_173} AuxVars[] AssignedVars[] [2021-05-01 08:17:24,717 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:24,721 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,723 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,726 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,729 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,731 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,733 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,736 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,737 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,740 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,742 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:24,743 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:24,745 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,747 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,749 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,751 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:24,753 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,756 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,756 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:24,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:24,778 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:24,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:24,804 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:24,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:24,811 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:24,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:24,822 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:24,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:24,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:24,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:24,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:24,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:24,873 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 08:17:24,874 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:24,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:24,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:24,904 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:24,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:24,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:24,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:24,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:24,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:24,939 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:24,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:24,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:24,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:24,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:24,972 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:24,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:24,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,009 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,013 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,185 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,228 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,231 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,278 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,332 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,335 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,388 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,450 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,518 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,583 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,586 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,648 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,650 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,717 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,797 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:25,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:25,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:25,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:25,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:25,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:25,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:25,886 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:25,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153320504] [2021-05-01 08:17:25,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [153320504] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:25,886 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:25,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-05-01 08:17:25,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881273759] [2021-05-01 08:17:25,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-01 08:17:25,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:25,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-01 08:17:25,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=398, Unknown=0, NotChecked=0, Total=600 [2021-05-01 08:17:25,887 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 08:17:27,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:27,109 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2021-05-01 08:17:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-01 08:17:27,110 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 08:17:27,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:27,110 INFO L225 Difference]: With dead ends: 35 [2021-05-01 08:17:27,110 INFO L226 Difference]: Without dead ends: 30 [2021-05-01 08:17:27,111 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1975.6ms TimeCoverageRelationStatistics Valid=577, Invalid=1403, Unknown=0, NotChecked=0, Total=1980 [2021-05-01 08:17:27,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-05-01 08:17:27,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-05-01 08:17:27,123 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 08:17:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-05-01 08:17:27,123 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2021-05-01 08:17:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:27,123 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-05-01 08:17:27,124 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 08:17:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-05-01 08:17:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-01 08:17:27,124 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:27,124 INFO L519 BasicCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:27,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-01 08:17:27,124 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:27,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1947810310, now seen corresponding path program 17 times [2021-05-01 08:17:27,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:27,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572996656] [2021-05-01 08:17:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:27,129 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_22) (< v_main_~j~0_192 v_main_~n~0_22)) InVars {main_~n~0=v_main_~n~0_22, main_~j~0=v_main_~j~0_192} OutVars{main_~n~0=v_main_~n~0_22, main_~j~0=v_main_~j~0_192} AuxVars[] AssignedVars[] [2021-05-01 08:17:27,130 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:27,133 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,135 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,137 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,139 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,141 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,143 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,145 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,146 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,148 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,151 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:27,151 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:27,153 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:27,155 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,157 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,158 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,160 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,162 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,162 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:27,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:27,179 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:27,195 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:27,202 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:27,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:27,213 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:27,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:27,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:27,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:27,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:27,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:27,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:27,250 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 08:17:27,251 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:27,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:27,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:27,277 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:27,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:27,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,307 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,332 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,334 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,365 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,367 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,399 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,401 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,440 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,482 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,484 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,526 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,569 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,616 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,618 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,668 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,670 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,721 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,723 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,779 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,838 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,839 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,902 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,904 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:27,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:27,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:27,972 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:27,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:28,039 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:28,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:28,041 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:28,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:28,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:28,110 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:28,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572996656] [2021-05-01 08:17:28,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1572996656] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:28,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:28,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-05-01 08:17:28,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684428611] [2021-05-01 08:17:28,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-01 08:17:28,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:28,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-01 08:17:28,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=428, Unknown=0, NotChecked=0, Total=650 [2021-05-01 08:17:28,111 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 08:17:29,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:29,398 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2021-05-01 08:17:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-01 08:17:29,398 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 08:17:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:29,399 INFO L225 Difference]: With dead ends: 36 [2021-05-01 08:17:29,399 INFO L226 Difference]: Without dead ends: 31 [2021-05-01 08:17:29,400 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1919.4ms TimeCoverageRelationStatistics Valid=636, Invalid=1526, Unknown=0, NotChecked=0, Total=2162 [2021-05-01 08:17:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-05-01 08:17:29,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-05-01 08:17:29,413 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 08:17:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2021-05-01 08:17:29,414 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2021-05-01 08:17:29,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:29,414 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2021-05-01 08:17:29,414 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 08:17:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2021-05-01 08:17:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-05-01 08:17:29,414 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:29,414 INFO L519 BasicCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:29,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-01 08:17:29,414 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:29,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:29,415 INFO L82 PathProgramCache]: Analyzing trace with hash 287966296, now seen corresponding path program 18 times [2021-05-01 08:17:29,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:29,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050040391] [2021-05-01 08:17:29,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:29,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:29,422 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_23) (< v_main_~j~0_212 v_main_~n~0_23)) InVars {main_~n~0=v_main_~n~0_23, main_~j~0=v_main_~j~0_212} OutVars{main_~n~0=v_main_~n~0_23, main_~j~0=v_main_~j~0_212} AuxVars[] AssignedVars[] [2021-05-01 08:17:29,423 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:29,424 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,427 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:29,429 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,429 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:29,431 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:29,433 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,435 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,436 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,439 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,441 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,443 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,445 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,446 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,448 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,450 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,452 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,453 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,454 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:29,471 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:29,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:29,490 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:29,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:29,497 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:17:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:29,506 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:29,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:29,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:29,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:29,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:29,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:29,546 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 08:17:29,549 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:29,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:29,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:29,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:29,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,644 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,677 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,717 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 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 79 [2021-05-01 08:17:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,757 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,800 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,851 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:29,935 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:29,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:29,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:29,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:29,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,003 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,072 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,074 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,144 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,146 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,219 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,298 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,300 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,381 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,383 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,470 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,472 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,563 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,667 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:30,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:30,670 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:30,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:30,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:30,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:30,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:30,766 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:30,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050040391] [2021-05-01 08:17:30,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2050040391] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:30,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:30,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-05-01 08:17:30,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547398522] [2021-05-01 08:17:30,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-01 08:17:30,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:30,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-01 08:17:30,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2021-05-01 08:17:30,767 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 08:17:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:32,501 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2021-05-01 08:17:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-01 08:17:32,501 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 08:17:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:32,502 INFO L225 Difference]: With dead ends: 37 [2021-05-01 08:17:32,502 INFO L226 Difference]: Without dead ends: 32 [2021-05-01 08:17:32,503 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 2722.7ms TimeCoverageRelationStatistics Valid=662, Invalid=1690, Unknown=0, NotChecked=0, Total=2352 [2021-05-01 08:17:32,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-05-01 08:17:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-05-01 08:17:32,517 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 08:17:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-05-01 08:17:32,518 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2021-05-01 08:17:32,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:32,518 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-05-01 08:17:32,518 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 08:17:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-05-01 08:17:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-05-01 08:17:32,518 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:32,518 INFO L519 BasicCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:32,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-01 08:17:32,519 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:32,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:32,519 INFO L82 PathProgramCache]: Analyzing trace with hash 372409414, now seen corresponding path program 19 times [2021-05-01 08:17:32,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:32,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299608690] [2021-05-01 08:17:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:32,525 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_233 v_main_~n~0_24) (< 0 v_main_~n~0_24)) InVars {main_~n~0=v_main_~n~0_24, main_~j~0=v_main_~j~0_233} OutVars{main_~n~0=v_main_~n~0_24, main_~j~0=v_main_~j~0_233} AuxVars[] AssignedVars[] [2021-05-01 08:17:32,528 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:32,529 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,532 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,534 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:32,535 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:32,538 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:32,541 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,544 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,546 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,549 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,551 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,553 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,555 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,557 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,559 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,565 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,567 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,570 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,571 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:32,591 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:32,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:32,613 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:32,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:32,626 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:32,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:32,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:32,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:32,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:32,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:32,665 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 08:17:32,666 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:32,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:32,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:32,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:32,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:32,734 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:32,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:32,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:32,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:32,776 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:32,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:32,822 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:32,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:32,872 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:32,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:32,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:32,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:32,932 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:32,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:32,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:32,997 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:32,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,000 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,071 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,074 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,140 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,208 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,210 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,282 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,361 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,438 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,441 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,621 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,713 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,716 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,808 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,811 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:33,911 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:33,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:33,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:33,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:33,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:34,025 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:34,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:34,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:34,127 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:34,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299608690] [2021-05-01 08:17:34,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [299608690] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:34,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:34,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-05-01 08:17:34,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581048681] [2021-05-01 08:17:34,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-01 08:17:34,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:34,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-01 08:17:34,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=491, Unknown=0, NotChecked=0, Total=756 [2021-05-01 08:17:34,128 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 08:17:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:36,562 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2021-05-01 08:17:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-01 08:17:36,562 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 08:17:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:36,563 INFO L225 Difference]: With dead ends: 38 [2021-05-01 08:17:36,563 INFO L226 Difference]: Without dead ends: 33 [2021-05-01 08:17:36,564 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 3448.3ms TimeCoverageRelationStatistics Valid=763, Invalid=1787, Unknown=0, NotChecked=0, Total=2550 [2021-05-01 08:17:36,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-05-01 08:17:36,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-05-01 08:17:36,585 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 08:17:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2021-05-01 08:17:36,586 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2021-05-01 08:17:36,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:36,587 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2021-05-01 08:17:36,587 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 08:17:36,587 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2021-05-01 08:17:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-01 08:17:36,587 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:36,587 INFO L519 BasicCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:36,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-01 08:17:36,587 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:36,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:36,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1304821224, now seen corresponding path program 20 times [2021-05-01 08:17:36,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:36,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2141644965] [2021-05-01 08:17:36,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:36,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:36,595 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_255 v_main_~n~0_25) (< 0 v_main_~n~0_25)) InVars {main_~n~0=v_main_~n~0_25, main_~j~0=v_main_~j~0_255} OutVars{main_~n~0=v_main_~n~0_25, main_~j~0=v_main_~j~0_255} AuxVars[] AssignedVars[] [2021-05-01 08:17:36,597 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:36,601 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,604 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,607 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,610 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,613 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,616 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,619 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,619 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,623 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:36,626 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,626 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:36,629 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,632 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:36,635 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,637 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,640 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,642 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,643 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:36,665 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:36,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:36,710 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:36,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:36,720 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:17:36,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:36,734 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:36,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:36,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:36,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:36,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:36,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:36,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:36,781 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 08:17:36,782 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:36,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:36,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:36,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:36,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:36,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:36,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:36,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:36,874 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:36,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:36,877 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:36,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:36,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:36,914 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:36,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:36,917 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:36,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:36,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:36,958 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:36,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:36,961 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:36,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:36,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,008 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,011 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,062 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,066 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,123 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,190 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,258 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,334 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,337 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,415 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,418 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,501 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,591 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,594 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,688 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,790 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:37,899 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:37,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:37,902 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:37,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:37,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:38,013 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:38,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:38,016 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:38,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:38,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:38,129 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:38,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:38,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:38,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:38,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:38,261 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:38,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:38,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:38,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:38,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:38,385 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:38,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:38,388 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:38,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:38,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:38,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:38,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:38,495 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:38,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2141644965] [2021-05-01 08:17:38,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2141644965] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:38,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:38,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-05-01 08:17:38,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763634837] [2021-05-01 08:17:38,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-01 08:17:38,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:38,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-01 08:17:38,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=544, Unknown=0, NotChecked=0, Total=812 [2021-05-01 08:17:38,496 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 08:17:41,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:41,013 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2021-05-01 08:17:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-01 08:17:41,013 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 08:17:41,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:41,014 INFO L225 Difference]: With dead ends: 39 [2021-05-01 08:17:41,014 INFO L226 Difference]: Without dead ends: 34 [2021-05-01 08:17:41,015 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 3766.8ms TimeCoverageRelationStatistics Valid=791, Invalid=1965, Unknown=0, NotChecked=0, Total=2756 [2021-05-01 08:17:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-05-01 08:17:41,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-05-01 08:17:41,033 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 08:17:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2021-05-01 08:17:41,034 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2021-05-01 08:17:41,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:41,034 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2021-05-01 08:17:41,034 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 08:17:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2021-05-01 08:17:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-01 08:17:41,034 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:41,034 INFO L519 BasicCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:41,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-01 08:17:41,035 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:41,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1759363450, now seen corresponding path program 21 times [2021-05-01 08:17:41,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:41,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302512215] [2021-05-01 08:17:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:41,039 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_26) (< v_main_~j~0_278 v_main_~n~0_26)) InVars {main_~n~0=v_main_~n~0_26, main_~j~0=v_main_~j~0_278} OutVars{main_~n~0=v_main_~n~0_26, main_~j~0=v_main_~j~0_278} AuxVars[] AssignedVars[] [2021-05-01 08:17:41,041 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:41,043 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,046 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,048 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,051 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,053 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,056 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,058 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,059 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,062 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:41,064 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,065 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:41,067 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,069 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,071 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,073 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:41,075 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,077 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,078 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:41,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:41,098 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:41,116 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:41,124 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:41,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:41,135 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:41,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:41,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:41,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:41,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:41,174 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 08:17:41,175 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:41,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:41,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:41,203 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:41,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:41,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,269 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,272 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,305 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,307 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,355 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,358 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,399 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,446 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,449 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,496 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,550 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,553 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,671 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,673 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,732 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,803 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,805 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,872 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:41,942 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:41,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:41,945 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:41,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:41,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,020 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:42,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:42,023 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:42,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:42,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:42,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:42,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:42,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:42,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:42,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:42,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:42,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:42,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,432 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:42,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:42,435 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:42,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:42,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,516 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:42,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:42,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:42,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:42,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,597 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:42,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:42,599 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:42,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:42,681 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:42,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302512215] [2021-05-01 08:17:42,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1302512215] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:42,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:42,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-05-01 08:17:42,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398401964] [2021-05-01 08:17:42,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-01 08:17:42,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:42,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-01 08:17:42,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=558, Unknown=0, NotChecked=0, Total=870 [2021-05-01 08:17:42,682 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 08:17:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:44,352 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2021-05-01 08:17:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-01 08:17:44,352 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 08:17:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:44,353 INFO L225 Difference]: With dead ends: 40 [2021-05-01 08:17:44,353 INFO L226 Difference]: Without dead ends: 35 [2021-05-01 08:17:44,354 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2882.1ms TimeCoverageRelationStatistics Valid=902, Invalid=2068, Unknown=0, NotChecked=0, Total=2970 [2021-05-01 08:17:44,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-01 08:17:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-05-01 08:17:44,372 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 08:17:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2021-05-01 08:17:44,372 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2021-05-01 08:17:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:44,372 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2021-05-01 08:17:44,372 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 08:17:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2021-05-01 08:17:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-05-01 08:17:44,373 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:44,373 INFO L519 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:44,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-01 08:17:44,373 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:44,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:44,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1329696728, now seen corresponding path program 22 times [2021-05-01 08:17:44,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:44,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159968633] [2021-05-01 08:17:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:44,378 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_302 v_main_~n~0_27) (< 0 v_main_~n~0_27)) InVars {main_~n~0=v_main_~n~0_27, main_~j~0=v_main_~j~0_302} OutVars{main_~n~0=v_main_~n~0_27, main_~j~0=v_main_~j~0_302} AuxVars[] AssignedVars[] [2021-05-01 08:17:44,379 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:44,380 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,383 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:44,385 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,385 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:44,387 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:44,390 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,393 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,395 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,397 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,399 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,401 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,403 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,405 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,407 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,408 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,410 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,412 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,412 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:44,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:44,433 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:44,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:44,457 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:44,464 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:17:44,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:44,473 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:44,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:44,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:44,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:44,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:44,510 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 08:17:44,521 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:44,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:44,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:44,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,640 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,676 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,678 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,773 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,822 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,824 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,878 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,880 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,933 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:44,993 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:44,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:44,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:44,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:44,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,059 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,131 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,204 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,283 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,366 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,369 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,453 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,455 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,543 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,644 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,749 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,751 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,868 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:45,974 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:17:45,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:45,976 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:17:45,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:17:45,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:17:46,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:46,083 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:46,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159968633] [2021-05-01 08:17:46,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1159968633] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:46,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:46,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-05-01 08:17:46,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861909761] [2021-05-01 08:17:46,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-01 08:17:46,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:46,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-01 08:17:46,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=615, Unknown=0, NotChecked=0, Total=930 [2021-05-01 08:17:46,084 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 08:17:48,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:48,345 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-05-01 08:17:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-05-01 08:17:48,346 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 08:17:48,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:48,346 INFO L225 Difference]: With dead ends: 41 [2021-05-01 08:17:48,346 INFO L226 Difference]: Without dead ends: 36 [2021-05-01 08:17:48,347 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 3479.9ms TimeCoverageRelationStatistics Valid=932, Invalid=2260, Unknown=0, NotChecked=0, Total=3192 [2021-05-01 08:17:48,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-05-01 08:17:48,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-05-01 08:17:48,366 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 08:17:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2021-05-01 08:17:48,367 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2021-05-01 08:17:48,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:48,367 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2021-05-01 08:17:48,367 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 08:17:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2021-05-01 08:17:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-05-01 08:17:48,367 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:48,367 INFO L519 BasicCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:48,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-01 08:17:48,368 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:48,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1693685562, now seen corresponding path program 23 times [2021-05-01 08:17:48,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:48,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701893620] [2021-05-01 08:17:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:48,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:48,378 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_28) (< v_main_~j~0_327 v_main_~n~0_28)) InVars {main_~n~0=v_main_~n~0_28, main_~j~0=v_main_~j~0_327} OutVars{main_~n~0=v_main_~n~0_28, main_~j~0=v_main_~j~0_327} AuxVars[] AssignedVars[] [2021-05-01 08:17:48,380 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:48,383 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,385 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,387 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,389 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,392 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,394 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,396 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,396 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,399 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:48,401 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,401 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:48,403 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,405 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:48,407 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,409 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,410 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,412 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,413 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:48,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:48,433 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:48,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:48,449 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:48,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:48,457 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:17:48,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:48,470 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:17:48,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:48,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:48,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:48,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:48,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:48,522 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 08:17:48,523 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:17:48,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:17:48,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:17:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:48,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,621 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,658 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,660 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,699 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,754 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,803 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,805 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,855 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,915 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,917 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:48,975 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:48,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:48,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:48,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:48,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,041 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,044 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,111 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,113 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,184 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,186 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,263 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,343 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,345 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,433 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,435 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,525 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,528 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,629 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,727 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,829 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:49,936 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:49,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:49,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:49,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:49,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:50,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:50,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:50,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:50,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:50,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:50,164 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:17:50,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:50,166 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:17:50,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:17:50,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:17:50,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:50,282 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:50,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701893620] [2021-05-01 08:17:50,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [701893620] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:50,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:50,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-01 08:17:50,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860436800] [2021-05-01 08:17:50,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-01 08:17:50,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:50,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-01 08:17:50,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=629, Unknown=0, NotChecked=0, Total=992 [2021-05-01 08:17:50,283 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 08:17:52,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:52,664 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2021-05-01 08:17:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-01 08:17:52,664 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 08:17:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:52,665 INFO L225 Difference]: With dead ends: 42 [2021-05-01 08:17:52,665 INFO L226 Difference]: Without dead ends: 37 [2021-05-01 08:17:52,666 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 3775.2ms TimeCoverageRelationStatistics Valid=1053, Invalid=2369, Unknown=0, NotChecked=0, Total=3422 [2021-05-01 08:17:52,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-05-01 08:17:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-05-01 08:17:52,687 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 08:17:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2021-05-01 08:17:52,688 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2021-05-01 08:17:52,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:52,688 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2021-05-01 08:17:52,688 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 08:17:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2021-05-01 08:17:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-05-01 08:17:52,688 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:52,688 INFO L519 BasicCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:52,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-01 08:17:52,689 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:52,689 INFO L82 PathProgramCache]: Analyzing trace with hash -929256040, now seen corresponding path program 24 times [2021-05-01 08:17:52,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:52,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078955889] [2021-05-01 08:17:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:52,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:52,695 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_353 v_main_~n~0_29) (< 0 v_main_~n~0_29)) InVars {main_~n~0=v_main_~n~0_29, main_~j~0=v_main_~j~0_353} OutVars{main_~n~0=v_main_~n~0_29, main_~j~0=v_main_~j~0_353} AuxVars[] AssignedVars[] [2021-05-01 08:17:52,705 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:52,708 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,710 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,713 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,715 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,717 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,719 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,722 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,722 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,726 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:52,728 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,728 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:52,730 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:52,733 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,735 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,737 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,739 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,741 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,742 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:52,761 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:52,773 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:52,780 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:52,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:52,792 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:52,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:52,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:52,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:52,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:52,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:52,827 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 08:17:52,829 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:52,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:52,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:52,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:52,857 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:52,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:52,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:52,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:52,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:52,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:52,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:52,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:52,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:52,915 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:52,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:52,916 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:52,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:52,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:52,946 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:52,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:52,948 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:52,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:52,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:52,982 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:52,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:52,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,020 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,058 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,102 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,104 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,213 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,215 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,269 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,270 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,326 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,395 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,459 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,460 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,525 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,596 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,598 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,665 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,666 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,739 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,821 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,823 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,906 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:53,989 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:53,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:53,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:53,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:54,082 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:54,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:54,084 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:54,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:54,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:54,175 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:54,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:54,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:54,264 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:54,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:54,266 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:54,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:54,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:54,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:54,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:54,357 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:54,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078955889] [2021-05-01 08:17:54,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1078955889] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:54,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:54,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-01 08:17:54,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855340129] [2021-05-01 08:17:54,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-01 08:17:54,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:54,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-01 08:17:54,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=666, Unknown=0, NotChecked=0, Total=1056 [2021-05-01 08:17:54,358 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 08:17:56,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:17:56,519 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2021-05-01 08:17:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-05-01 08:17:56,519 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 08:17:56,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:17:56,520 INFO L225 Difference]: With dead ends: 43 [2021-05-01 08:17:56,520 INFO L226 Difference]: Without dead ends: 38 [2021-05-01 08:17:56,521 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 3334.8ms TimeCoverageRelationStatistics Valid=1133, Invalid=2527, Unknown=0, NotChecked=0, Total=3660 [2021-05-01 08:17:56,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-01 08:17:56,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-05-01 08:17:56,542 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 08:17:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2021-05-01 08:17:56,542 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2021-05-01 08:17:56,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:17:56,542 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2021-05-01 08:17:56,542 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 08:17:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2021-05-01 08:17:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-05-01 08:17:56,543 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:17:56,543 INFO L519 BasicCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:17:56,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-01 08:17:56,543 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:17:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:17:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1293222662, now seen corresponding path program 25 times [2021-05-01 08:17:56,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:17:56,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165551656] [2021-05-01 08:17:56,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:17:56,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:17:56,547 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_380 v_main_~n~0_30) (< 0 v_main_~n~0_30)) InVars {main_~n~0=v_main_~n~0_30, main_~j~0=v_main_~j~0_380} OutVars{main_~n~0=v_main_~n~0_30, main_~j~0=v_main_~j~0_380} AuxVars[] AssignedVars[] [2021-05-01 08:17:56,549 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:17:56,552 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,554 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,556 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,559 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,561 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,563 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,566 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,566 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,569 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:56,571 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,571 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:17:56,573 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,575 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,577 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:17:56,579 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,581 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,583 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,583 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:17:56,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:17:56,602 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:17:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:56,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:56,614 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:17:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:17:56,621 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:17:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:17:56,633 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:17:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:17:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:56,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:17:56,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:17:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:17:56,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:56,678 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 08:17:56,679 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:17:56,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:17:56,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:17:56,706 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:17:56,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:56,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:56,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,746 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:56,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:56,784 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:56,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:56,827 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:56,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,830 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:56,878 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:56,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,881 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:56,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:56,935 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:56,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,937 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:56,991 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:56,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:56,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,046 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,048 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,109 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,111 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,176 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,254 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,256 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,330 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,417 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,509 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,512 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,601 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,603 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,691 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,694 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,787 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:57,892 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:57,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:57,894 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:57,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,006 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,270 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,389 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,392 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,521 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,523 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,658 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,660 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,796 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:17:58,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:17:58,798 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:17:58,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:17:58,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:17:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:17:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:17:58,948 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:17:58,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165551656] [2021-05-01 08:17:58,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [165551656] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:17:58,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:17:58,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-05-01 08:17:58,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682112137] [2021-05-01 08:17:58,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-01 08:17:58,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:17:58,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-01 08:17:58,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=704, Unknown=0, NotChecked=0, Total=1122 [2021-05-01 08:17:58,949 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 08:18:01,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:01,491 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2021-05-01 08:18:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-01 08:18:01,491 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 08:18:01,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:01,492 INFO L225 Difference]: With dead ends: 44 [2021-05-01 08:18:01,492 INFO L226 Difference]: Without dead ends: 39 [2021-05-01 08:18:01,493 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 4390.7ms TimeCoverageRelationStatistics Valid=1216, Invalid=2690, Unknown=0, NotChecked=0, Total=3906 [2021-05-01 08:18:01,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-05-01 08:18:01,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-05-01 08:18:01,515 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 08:18:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-05-01 08:18:01,516 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2021-05-01 08:18:01,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:01,516 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2021-05-01 08:18:01,516 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 08:18:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-05-01 08:18:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-01 08:18:01,516 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:01,516 INFO L519 BasicCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:01,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-01 08:18:01,517 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:01,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:01,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1470585688, now seen corresponding path program 26 times [2021-05-01 08:18:01,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:01,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924726713] [2021-05-01 08:18:01,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:01,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:01,524 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_31) (< v_main_~j~0_408 v_main_~n~0_31)) InVars {main_~n~0=v_main_~n~0_31, main_~j~0=v_main_~j~0_408} OutVars{main_~n~0=v_main_~n~0_31, main_~j~0=v_main_~j~0_408} AuxVars[] AssignedVars[] [2021-05-01 08:18:01,526 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:01,529 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,532 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,534 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,536 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,539 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,541 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,544 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,544 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,547 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,549 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:01,550 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:01,552 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,554 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:01,556 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,558 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,560 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,562 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,562 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:01,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:18:01,583 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:01,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:01,597 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:01,604 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:18:01,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:18:01,616 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:18:01,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:01,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:01,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:01,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:01,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:01,661 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 08:18:01,662 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:18:01,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:01,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:18:01,692 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:18:01,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:01,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,755 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:01,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,788 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:01,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,824 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:01,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,866 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:01,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,908 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:01,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:01,953 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:01,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:01,954 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,001 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,051 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,053 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,106 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,108 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,162 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,163 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,222 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,401 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,469 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,537 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,539 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,610 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,686 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,767 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,853 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,855 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:02,945 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:02,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:02,947 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:02,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:02,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:03,035 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:03,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:03,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 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 52 [2021-05-01 08:18:03,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:03,135 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:03,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:03,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 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 52 [2021-05-01 08:18:03,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:03,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:03,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:03,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:03,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:03,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:03,340 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:03,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:03,342 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:03,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:03,456 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:03,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:03,458 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:03,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:03,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:03,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:03,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:03,569 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:03,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924726713] [2021-05-01 08:18:03,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1924726713] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:03,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:03,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-05-01 08:18:03,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013390359] [2021-05-01 08:18:03,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-01 08:18:03,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:03,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-01 08:18:03,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=743, Unknown=0, NotChecked=0, Total=1190 [2021-05-01 08:18:03,570 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 08:18:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:06,174 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2021-05-01 08:18:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-01 08:18:06,175 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 08:18:06,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:06,176 INFO L225 Difference]: With dead ends: 45 [2021-05-01 08:18:06,176 INFO L226 Difference]: Without dead ends: 40 [2021-05-01 08:18:06,177 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 4110.4ms TimeCoverageRelationStatistics Valid=1302, Invalid=2858, Unknown=0, NotChecked=0, Total=4160 [2021-05-01 08:18:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-05-01 08:18:06,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-05-01 08:18:06,200 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 08:18:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2021-05-01 08:18:06,201 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2021-05-01 08:18:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:06,201 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2021-05-01 08:18:06,201 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 08:18:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2021-05-01 08:18:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-01 08:18:06,201 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:06,201 INFO L519 BasicCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:06,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-01 08:18:06,202 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:06,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:06,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1621095098, now seen corresponding path program 27 times [2021-05-01 08:18:06,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:06,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685567880] [2021-05-01 08:18:06,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:06,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:06,210 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_437 v_main_~n~0_32) (< 0 v_main_~n~0_32)) InVars {main_~n~0=v_main_~n~0_32, main_~j~0=v_main_~j~0_437} OutVars{main_~n~0=v_main_~n~0_32, main_~j~0=v_main_~j~0_437} AuxVars[] AssignedVars[] [2021-05-01 08:18:06,213 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:06,214 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,217 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,220 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:06,221 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:06,223 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:06,227 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,230 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,232 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,235 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,238 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,240 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,242 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,244 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,246 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,248 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,251 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,253 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,253 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:06,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:06,277 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:06,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:06,288 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:06,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:06,296 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:18:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:06,306 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:18:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:06,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:06,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:06,352 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 08:18:06,354 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:18:06,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:18:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:18:06,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,420 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,457 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,498 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,500 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,600 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,602 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,658 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,716 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,846 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,848 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,920 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,922 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:06,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:06,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:06,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:06,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:06,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,067 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,146 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,148 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,234 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,334 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,337 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,441 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,540 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,645 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,647 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,754 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,867 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:07,976 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:07,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:07,978 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:08,092 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:08,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:08,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:08,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:08,214 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:08,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:08,216 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:08,342 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:08,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:08,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:08,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:08,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:08,476 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:08,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:08,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:08,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:08,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:08,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:08,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:08,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:08,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:08,757 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:08,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685567880] [2021-05-01 08:18:08,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [685567880] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:08,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:08,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-05-01 08:18:08,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138482071] [2021-05-01 08:18:08,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-05-01 08:18:08,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:08,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-05-01 08:18:08,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=810, Unknown=0, NotChecked=0, Total=1260 [2021-05-01 08:18:08,759 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 08:18:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:12,757 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2021-05-01 08:18:12,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-01 08:18:12,758 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 08:18:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:12,758 INFO L225 Difference]: With dead ends: 46 [2021-05-01 08:18:12,758 INFO L226 Difference]: Without dead ends: 41 [2021-05-01 08:18:12,759 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 5484.2ms TimeCoverageRelationStatistics Valid=1337, Invalid=3085, Unknown=0, NotChecked=0, Total=4422 [2021-05-01 08:18:12,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-05-01 08:18:12,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-05-01 08:18:12,789 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 08:18:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2021-05-01 08:18:12,789 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2021-05-01 08:18:12,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:12,790 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2021-05-01 08:18:12,790 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 08:18:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2021-05-01 08:18:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-01 08:18:12,790 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:12,790 INFO L519 BasicCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:12,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-01 08:18:12,790 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:12,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:12,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1321048344, now seen corresponding path program 28 times [2021-05-01 08:18:12,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:12,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747517243] [2021-05-01 08:18:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:12,796 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_33) (< v_main_~j~0_467 v_main_~n~0_33)) InVars {main_~n~0=v_main_~n~0_33, main_~j~0=v_main_~j~0_467} OutVars{main_~n~0=v_main_~n~0_33, main_~j~0=v_main_~j~0_467} AuxVars[] AssignedVars[] [2021-05-01 08:18:12,812 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:12,816 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,820 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,823 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,826 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,830 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,833 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,837 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,838 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,841 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,845 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:12,845 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:12,848 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,851 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:12,854 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,856 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,859 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,863 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,864 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:12,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:12,891 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:12,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:12,923 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:12,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:12,932 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:18:12,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:12,944 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:18:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:12,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:12,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:12,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:12,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:13,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:13,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:13,001 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 08:18:13,002 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:18:13,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:13,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:18:13,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:18:13,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:13,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,087 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,089 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,132 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,183 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,239 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,300 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,370 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,523 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,525 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,713 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,812 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,814 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:13,920 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:13,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:13,922 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:13,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,027 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,148 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,278 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,417 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,569 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,713 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:14,861 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:14,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:14,863 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:14,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:14,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,022 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,025 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,177 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,298 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,300 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,421 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,550 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,552 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,682 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,684 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,825 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:15,975 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:15,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:15,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:16,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:16,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:16,136 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:16,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747517243] [2021-05-01 08:18:16,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [747517243] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:16,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:16,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-05-01 08:18:16,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588181569] [2021-05-01 08:18:16,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-01 08:18:16,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:16,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-01 08:18:16,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2021-05-01 08:18:16,138 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 08:18:20,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:20,501 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2021-05-01 08:18:20,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-05-01 08:18:20,503 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 08:18:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:20,504 INFO L225 Difference]: With dead ends: 47 [2021-05-01 08:18:20,504 INFO L226 Difference]: Without dead ends: 42 [2021-05-01 08:18:20,505 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 7005.5ms TimeCoverageRelationStatistics Valid=1427, Invalid=3265, Unknown=0, NotChecked=0, Total=4692 [2021-05-01 08:18:20,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-05-01 08:18:20,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-05-01 08:18:20,533 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 08:18:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2021-05-01 08:18:20,533 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2021-05-01 08:18:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:20,533 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2021-05-01 08:18:20,533 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 08:18:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2021-05-01 08:18:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-01 08:18:20,534 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:20,534 INFO L519 BasicCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:20,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-01 08:18:20,534 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:20,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:20,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1961785466, now seen corresponding path program 29 times [2021-05-01 08:18:20,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:20,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803690203] [2021-05-01 08:18:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:20,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:20,540 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_34) (< v_main_~j~0_498 v_main_~n~0_34)) InVars {main_~n~0=v_main_~n~0_34, main_~j~0=v_main_~j~0_498} OutVars{main_~n~0=v_main_~n~0_34, main_~j~0=v_main_~j~0_498} AuxVars[] AssignedVars[] [2021-05-01 08:18:20,542 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:20,547 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,550 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,554 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,558 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,562 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,565 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,569 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,570 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,574 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,578 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:20,579 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:20,582 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,584 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:20,587 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,589 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,592 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,595 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,596 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:20,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:18:20,620 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:20,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:20,639 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:20,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:20,649 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:18:20,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:18:20,665 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:18:20,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:20,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:20,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:20,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:20,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:20,718 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 08:18:20,719 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:18:20,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 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 63 [2021-05-01 08:18:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:18:20,759 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:18:20,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:20,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:20,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,806 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:20,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:20,863 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:20,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:20,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:20,911 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:20,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:20,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:20,966 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:20,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:20,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:20,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,024 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,026 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 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 52 [2021-05-01 08:18:21,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,090 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,093 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,159 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,161 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,222 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,334 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 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 52 [2021-05-01 08:18:21,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,424 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,426 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,518 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,702 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,704 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,795 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,890 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,892 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:21,982 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:21,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:21,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:21,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:21,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,086 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,193 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,195 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,315 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,435 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,581 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,732 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:22,885 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:22,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:22,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:22,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:23,044 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:23,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:23,047 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:23,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:23,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:23,217 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:23,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:23,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:23,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:23,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:23,387 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:23,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:23,389 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:23,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:23,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:23,563 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:23,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:23,566 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:23,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:23,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:23,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:23,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:23,744 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:23,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803690203] [2021-05-01 08:18:23,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [803690203] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:23,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:23,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-01 08:18:23,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202251489] [2021-05-01 08:18:23,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-01 08:18:23,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:23,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-01 08:18:23,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=866, Unknown=0, NotChecked=0, Total=1406 [2021-05-01 08:18:23,745 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 08:18:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:26,920 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2021-05-01 08:18:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-01 08:18:26,921 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 08:18:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:26,922 INFO L225 Difference]: With dead ends: 48 [2021-05-01 08:18:26,922 INFO L226 Difference]: Without dead ends: 43 [2021-05-01 08:18:26,922 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 5722.4ms TimeCoverageRelationStatistics Valid=1578, Invalid=3392, Unknown=0, NotChecked=0, Total=4970 [2021-05-01 08:18:26,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-05-01 08:18:26,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-05-01 08:18:26,949 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 08:18:26,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2021-05-01 08:18:26,949 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2021-05-01 08:18:26,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:26,949 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2021-05-01 08:18:26,949 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 08:18:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2021-05-01 08:18:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-05-01 08:18:26,950 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:26,950 INFO L519 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:26,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-01 08:18:26,950 INFO L428 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:26,950 INFO L82 PathProgramCache]: Analyzing trace with hash -650418472, now seen corresponding path program 30 times [2021-05-01 08:18:26,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:26,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949746436] [2021-05-01 08:18:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:26,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:26,954 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_35) (< v_main_~j~0_530 v_main_~n~0_35)) InVars {main_~n~0=v_main_~n~0_35, main_~j~0=v_main_~j~0_530} OutVars{main_~n~0=v_main_~n~0_35, main_~j~0=v_main_~j~0_530} AuxVars[] AssignedVars[] [2021-05-01 08:18:26,956 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:26,959 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,961 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,963 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,966 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,968 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,971 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,973 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,973 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,977 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:26,979 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,979 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:26,981 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,983 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:26,986 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,988 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,990 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,992 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:26,993 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:27,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:27,014 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:27,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:27,034 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:27,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:27,041 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:18:27,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:27,051 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:18:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:27,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:27,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:27,092 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 08:18:27,093 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:18:27,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:18:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:18:27,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,154 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,156 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,189 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,230 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,322 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,324 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,376 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,378 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,435 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,437 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,496 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,562 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,703 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,705 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,785 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,867 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:27,954 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:27,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:27,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:27,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,050 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,052 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,155 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,157 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,259 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,370 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,488 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,491 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,604 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,606 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,727 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,729 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,856 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:28,983 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:28,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:28,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:28,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:28,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:29,121 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:29,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:29,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:29,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:29,258 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:29,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:29,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:29,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:29,403 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:29,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:29,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:29,555 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:29,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:29,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:29,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:29,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:29,713 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:29,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:29,715 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:29,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:29,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:29,869 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:18:29,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:29,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:18:29,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:18:29,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:18:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:30,037 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:30,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949746436] [2021-05-01 08:18:30,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1949746436] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:30,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:30,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-05-01 08:18:30,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209873327] [2021-05-01 08:18:30,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-01 08:18:30,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:30,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-01 08:18:30,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=939, Unknown=0, NotChecked=0, Total=1482 [2021-05-01 08:18:30,039 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 08:18:34,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:34,556 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2021-05-01 08:18:34,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-01 08:18:34,557 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 08:18:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:34,558 INFO L225 Difference]: With dead ends: 49 [2021-05-01 08:18:34,558 INFO L226 Difference]: Without dead ends: 44 [2021-05-01 08:18:34,559 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 6988.2ms TimeCoverageRelationStatistics Valid=1616, Invalid=3640, Unknown=0, NotChecked=0, Total=5256 [2021-05-01 08:18:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-05-01 08:18:34,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-05-01 08:18:34,589 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 08:18:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2021-05-01 08:18:34,590 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2021-05-01 08:18:34,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:34,590 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2021-05-01 08:18:34,590 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 08:18:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2021-05-01 08:18:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-05-01 08:18:34,590 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:34,590 INFO L519 BasicCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:34,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-01 08:18:34,591 INFO L428 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:34,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:34,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1347252678, now seen corresponding path program 31 times [2021-05-01 08:18:34,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:34,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309237286] [2021-05-01 08:18:34,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:34,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:34,604 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_36) (< v_main_~j~0_563 v_main_~n~0_36)) InVars {main_~n~0=v_main_~n~0_36, main_~j~0=v_main_~j~0_563} OutVars{main_~n~0=v_main_~n~0_36, main_~j~0=v_main_~j~0_563} AuxVars[] AssignedVars[] [2021-05-01 08:18:34,606 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:34,607 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,612 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:34,614 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,615 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:34,619 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,623 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,626 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,630 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,633 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:34,637 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,641 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,644 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,648 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,651 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,654 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,657 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,660 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,661 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:34,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:34,690 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:34,703 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:34,713 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:18:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:34,727 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:18:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:34,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:34,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:34,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:34,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:34,779 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 08:18:34,780 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:18:34,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:34,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:18:34,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:18:34,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:34,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:34,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:34,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:34,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:34,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:34,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:34,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:34,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:34,914 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:34,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:34,917 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:34,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:34,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:34,971 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:34,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:34,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,036 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,039 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,112 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,115 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,190 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,274 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,364 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,367 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,472 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,587 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,706 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,709 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,831 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,833 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:35,965 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:35,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:35,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:35,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:35,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:36,123 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:36,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:36,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:36,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:36,266 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:36,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:36,417 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:36,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:36,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:36,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:36,581 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:36,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,584 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:36,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:36,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:36,757 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:36,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,759 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:36,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:36,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:36,943 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:36,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:36,946 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:36,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:37,127 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:37,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:37,129 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:37,321 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:37,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:37,324 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:37,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:37,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:37,526 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:37,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:37,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:37,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:37,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:37,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:37,958 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:37,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:37,960 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:37,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:38,191 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:38,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:38,194 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:38,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:38,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:38,441 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:38,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:38,444 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:38,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:38,698 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:38,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:38,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:38,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:38,952 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:38,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:38,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:39,206 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:39,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:39,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:39,483 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:39,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:39,486 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:39,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:39,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:39,760 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:39,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309237286] [2021-05-01 08:18:39,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1309237286] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:39,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:39,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2021-05-01 08:18:39,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200495895] [2021-05-01 08:18:39,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-01 08:18:39,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-01 08:18:39,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=984, Unknown=0, NotChecked=0, Total=1560 [2021-05-01 08:18:39,762 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 08:18:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:46,211 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-05-01 08:18:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-01 08:18:46,212 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 08:18:46,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:46,213 INFO L225 Difference]: With dead ends: 50 [2021-05-01 08:18:46,213 INFO L226 Difference]: Without dead ends: 45 [2021-05-01 08:18:46,213 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 10607.4ms TimeCoverageRelationStatistics Valid=1715, Invalid=3835, Unknown=0, NotChecked=0, Total=5550 [2021-05-01 08:18:46,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-05-01 08:18:46,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-05-01 08:18:46,246 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 08:18:46,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2021-05-01 08:18:46,246 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2021-05-01 08:18:46,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:46,246 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2021-05-01 08:18:46,246 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 08:18:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2021-05-01 08:18:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-05-01 08:18:46,247 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:46,247 INFO L519 BasicCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:46,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-01 08:18:46,247 INFO L428 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:46,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:46,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1149451112, now seen corresponding path program 32 times [2021-05-01 08:18:46,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:46,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142160924] [2021-05-01 08:18:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:46,252 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_37) (< v_main_~j~0_597 v_main_~n~0_37)) InVars {main_~n~0=v_main_~n~0_37, main_~j~0=v_main_~j~0_597} OutVars{main_~n~0=v_main_~n~0_37, main_~j~0=v_main_~j~0_597} AuxVars[] AssignedVars[] [2021-05-01 08:18:46,262 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:46,268 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,272 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,276 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,280 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,285 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,289 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,293 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,294 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,298 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,302 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:46,303 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:46,306 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,310 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,313 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,316 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:46,319 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,322 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,323 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:46,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:46,350 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:46,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:46,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:46,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:46,380 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:18:46,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:18:46,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:18:46,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:46,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:46,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:46,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:46,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:46,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:46,458 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 08:18:46,459 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:18:46,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:18:46,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:18:46,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:46,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,563 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,610 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,665 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,668 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,727 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,790 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,864 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:46,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:46,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:46,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:46,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,053 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,055 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,147 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,150 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,275 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,416 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,419 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,560 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,563 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,678 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,782 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:47,886 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:47,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:47,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:47,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:47,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,001 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,115 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,232 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,235 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,368 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,504 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,506 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,646 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:48,919 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:48,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:48,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:49,062 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:49,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:49,065 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:49,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:49,209 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:49,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:49,212 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:49,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:49,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:49,368 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:49,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:49,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:49,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:49,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:49,626 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:49,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:49,629 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:49,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:49,899 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:49,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:49,902 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:49,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:49,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:50,201 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:50,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:50,204 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:50,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:50,509 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:50,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:50,512 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:50,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:50,808 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:18:50,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:50,811 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:18:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:18:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:18:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:51,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:51,149 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:18:51,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142160924] [2021-05-01 08:18:51,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [142160924] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:18:51,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:18:51,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-05-01 08:18:51,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270918763] [2021-05-01 08:18:51,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-01 08:18:51,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:18:51,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-01 08:18:51,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=998, Unknown=0, NotChecked=0, Total=1640 [2021-05-01 08:18:51,150 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 08:18:51,408 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:18:56,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:18:56,662 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2021-05-01 08:18:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-01 08:18:56,662 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 08:18:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:18:56,663 INFO L225 Difference]: With dead ends: 51 [2021-05-01 08:18:56,663 INFO L226 Difference]: Without dead ends: 46 [2021-05-01 08:18:56,664 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 9511.0ms TimeCoverageRelationStatistics Valid=1881, Invalid=3971, Unknown=0, NotChecked=0, Total=5852 [2021-05-01 08:18:56,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-05-01 08:18:56,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-05-01 08:18:56,697 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 08:18:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2021-05-01 08:18:56,697 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2021-05-01 08:18:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:18:56,697 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2021-05-01 08:18:56,698 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 08:18:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2021-05-01 08:18:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-05-01 08:18:56,698 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:18:56,698 INFO L519 BasicCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:18:56,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-01 08:18:56,698 INFO L428 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:18:56,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:18:56,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1237857274, now seen corresponding path program 33 times [2021-05-01 08:18:56,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:18:56,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739759587] [2021-05-01 08:18:56,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:18:56,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:18:56,711 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_38) (< v_main_~j~0_632 v_main_~n~0_38)) InVars {main_~n~0=v_main_~n~0_38, main_~j~0=v_main_~j~0_632} OutVars{main_~n~0=v_main_~n~0_38, main_~j~0=v_main_~j~0_632} AuxVars[] AssignedVars[] [2021-05-01 08:18:56,713 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:18:56,714 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,717 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:56,720 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,720 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:18:56,723 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:18:56,724 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,726 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,728 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,731 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,734 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,736 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,738 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,740 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,742 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,744 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,746 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,747 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,748 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:18:56,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:18:56,769 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:18:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:56,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:56,782 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:18:56,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:18:56,790 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:18:56,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:18:56,805 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:18:56,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:18:56,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:56,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:18:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:18:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:18:56,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:18:56,846 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 08:18:56,847 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:18:56,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:56,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:18:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:18:56,881 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:18:56,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:56,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:56,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:18:56,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:56,916 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:56,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:56,948 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:56,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:56,950 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:56,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:56,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:56,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:56,987 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:56,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,025 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,067 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,114 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,116 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,168 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,225 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,289 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,349 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,414 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,417 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,482 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,484 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,557 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,559 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,656 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,658 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,738 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,832 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,834 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:57,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:57,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:57,987 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:57,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:57,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,078 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,080 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,180 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,182 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,287 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,289 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,400 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,520 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,522 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,634 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,761 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:58,891 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:58,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:58,893 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:58,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:58,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:59,015 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:59,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:59,018 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:59,142 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:59,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:59,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:59,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:59,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:59,282 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:59,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:59,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:59,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:59,426 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:59,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:59,428 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:59,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:59,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:59,610 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:59,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:59,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:59,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:18:59,853 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:18:59,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:18:59,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:18:59,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:18:59,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:19:00,098 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:19:00,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:00,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:19:00,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:19:00,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:19:00,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:00,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:00,373 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:19:00,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739759587] [2021-05-01 08:19:00,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1739759587] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:19:00,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:19:00,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2021-05-01 08:19:00,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992784379] [2021-05-01 08:19:00,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-01 08:19:00,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:19:00,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-01 08:19:00,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=1044, Unknown=0, NotChecked=0, Total=1722 [2021-05-01 08:19:00,375 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 08:19:07,280 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-05-01 08:19:07,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:19:07,534 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2021-05-01 08:19:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-01 08:19:07,536 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 08:19:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:19:07,536 INFO L225 Difference]: With dead ends: 52 [2021-05-01 08:19:07,536 INFO L226 Difference]: Without dead ends: 47 [2021-05-01 08:19:07,537 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 9880.7ms TimeCoverageRelationStatistics Valid=1988, Invalid=4174, Unknown=0, NotChecked=0, Total=6162 [2021-05-01 08:19:07,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-01 08:19:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-05-01 08:19:07,574 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 08:19:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2021-05-01 08:19:07,575 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2021-05-01 08:19:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:19:07,575 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2021-05-01 08:19:07,575 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 08:19:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2021-05-01 08:19:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-01 08:19:07,575 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:19:07,575 INFO L519 BasicCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:19:07,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-01 08:19:07,576 INFO L428 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:19:07,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:19:07,576 INFO L82 PathProgramCache]: Analyzing trace with hash 316519000, now seen corresponding path program 34 times [2021-05-01 08:19:07,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:19:07,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425188177] [2021-05-01 08:19:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:19:07,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:19:07,583 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_39) (< v_main_~j~0_668 v_main_~n~0_39)) InVars {main_~n~0=v_main_~n~0_39, main_~j~0=v_main_~j~0_668} OutVars{main_~n~0=v_main_~n~0_39, main_~j~0=v_main_~j~0_668} AuxVars[] AssignedVars[] [2021-05-01 08:19:07,587 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:19:07,589 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,594 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,599 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:07,600 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:19:07,604 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,607 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,611 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,614 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:07,619 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,624 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,628 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,632 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,635 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,639 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,642 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,646 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,649 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,650 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:19:07,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:19:07,685 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:19:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:07,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:07,706 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:19:07,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:07,719 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:19:07,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:07,739 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:19:07,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:19:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:07,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:07,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:19:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:07,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:07,809 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 08:19:07,810 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:19:07,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:07,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:19:07,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:19:07,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:07,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:07,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:07,931 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:07,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:07,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:07,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:07,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:07,988 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:07,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:07,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:07,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:07,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,064 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,148 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,241 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,243 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,330 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,333 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,434 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,436 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,558 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,560 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,683 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,809 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,811 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:08,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:08,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:08,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:08,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:09,114 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:09,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:09,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:09,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:09,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:09,487 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:09,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:09,489 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:09,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:09,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:09,659 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:09,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:09,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:09,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:09,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:09,858 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:09,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:09,861 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:09,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:09,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:10,070 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:10,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:10,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:10,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:10,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:10,293 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:10,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:10,296 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:10,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:10,529 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:10,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:10,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:10,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:10,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:10,764 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:10,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:10,767 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:10,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:10,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:11,006 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:11,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:11,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:11,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:11,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:11,256 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:11,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:11,259 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:11,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:11,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:11,526 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:11,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:11,529 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:11,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:11,796 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:11,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:11,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:11,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:11,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:12,069 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:12,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:12,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:12,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:12,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:12,378 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:12,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:12,382 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:12,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:12,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:12,688 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:12,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:12,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:12,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:12,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:13,006 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:13,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:13,009 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:13,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:13,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:13,320 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:13,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:13,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:13,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:13,639 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:13,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:13,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:13,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:13,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:13,965 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:13,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:13,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:13,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:13,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:14,302 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:14,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:14,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:14,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:14,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:14,654 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:14,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:14,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:14,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:14,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:14,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:15,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:15,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:15,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:15,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:15,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:15,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:15,359 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:19:15,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425188177] [2021-05-01 08:19:15,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1425188177] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:19:15,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:19:15,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-05-01 08:19:15,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633767074] [2021-05-01 08:19:15,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-01 08:19:15,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:19:15,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-01 08:19:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=1125, Unknown=0, NotChecked=0, Total=1806 [2021-05-01 08:19:15,361 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 08:19:15,649 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:19:23,758 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:19:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:19:24,184 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2021-05-01 08:19:24,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-01 08:19:24,186 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 08:19:24,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:19:24,187 INFO L225 Difference]: With dead ends: 53 [2021-05-01 08:19:24,187 INFO L226 Difference]: Without dead ends: 48 [2021-05-01 08:19:24,188 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 15395.4ms TimeCoverageRelationStatistics Valid=2030, Invalid=4450, Unknown=0, NotChecked=0, Total=6480 [2021-05-01 08:19:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-05-01 08:19:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-05-01 08:19:24,228 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 08:19:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2021-05-01 08:19:24,228 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2021-05-01 08:19:24,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:19:24,229 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2021-05-01 08:19:24,229 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 08:19:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2021-05-01 08:19:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-05-01 08:19:24,229 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:19:24,229 INFO L519 BasicCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:19:24,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-01 08:19:24,229 INFO L428 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:19:24,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:19:24,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1257543238, now seen corresponding path program 35 times [2021-05-01 08:19:24,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:19:24,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560538836] [2021-05-01 08:19:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:19:24,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:19:24,239 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_40) (< v_main_~j~0_705 v_main_~n~0_40)) InVars {main_~n~0=v_main_~n~0_40, main_~j~0=v_main_~j~0_705} OutVars{main_~n~0=v_main_~n~0_40, main_~j~0=v_main_~j~0_705} AuxVars[] AssignedVars[] [2021-05-01 08:19:24,241 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:19:24,242 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,249 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:24,254 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,255 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:19:24,260 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,264 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:24,271 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,276 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,281 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,286 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,291 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,295 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,299 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,303 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,307 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,311 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,315 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,316 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:19:24,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:19:24,357 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:19:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:24,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:24,377 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:19:24,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:24,393 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:19:24,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:24,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:19:24,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:19:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:24,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:24,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:24,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:19:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:24,504 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 08:19:24,506 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:19:24,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:19:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:19:24,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:24,633 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:24,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:24,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:24,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:24,704 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:24,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:24,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:24,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:24,790 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:24,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:24,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:24,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:24,880 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:24,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:24,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:24,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:24,984 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:24,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:24,987 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:24,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:24,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,097 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,100 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,227 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,361 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,497 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,500 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,655 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,659 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,816 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:25,986 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:25,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:25,989 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:25,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:26,168 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:26,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:26,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:26,363 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:26,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:26,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:26,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:26,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:26,544 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:26,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:26,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:26,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:26,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:26,745 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:26,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:26,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:26,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:26,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:26,966 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:26,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:26,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:26,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:27,187 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:27,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:27,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:27,451 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:27,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:27,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:27,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:27,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:27,706 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:27,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:27,709 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:27,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:27,986 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:27,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:27,989 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:27,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:27,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:28,278 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:28,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:28,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:28,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:28,588 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:28,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:28,591 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:28,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:28,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:28,901 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:28,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:28,904 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:28,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:28,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:29,214 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:29,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:29,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:29,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:29,531 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:29,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:29,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:29,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:29,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:29,754 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:29,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:29,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:29,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:29,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:29,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:29,975 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:29,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:29,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:30,292 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:30,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:30,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:30,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:30,678 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:30,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:30,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:30,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:30,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:31,093 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:31,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:31,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:31,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:31,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:31,515 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:31,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:31,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:31,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:31,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:31,927 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:31,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:31,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:31,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:31,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:32,363 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:32,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:32,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:32,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:32,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:32,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:32,780 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:19:32,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560538836] [2021-05-01 08:19:32,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1560538836] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:19:32,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:19:32,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2021-05-01 08:19:32,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764716506] [2021-05-01 08:19:32,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-05-01 08:19:32,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:19:32,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-05-01 08:19:32,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=718, Invalid=1174, Unknown=0, NotChecked=0, Total=1892 [2021-05-01 08:19:32,781 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 08:19:33,122 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-05-01 08:19:42,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:19:42,254 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2021-05-01 08:19:42,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-01 08:19:42,255 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 08:19:42,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:19:42,256 INFO L225 Difference]: With dead ends: 54 [2021-05-01 08:19:42,256 INFO L226 Difference]: Without dead ends: 49 [2021-05-01 08:19:42,257 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 16813.9ms TimeCoverageRelationStatistics Valid=2141, Invalid=4665, Unknown=0, NotChecked=0, Total=6806 [2021-05-01 08:19:42,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-05-01 08:19:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-05-01 08:19:42,300 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 08:19:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2021-05-01 08:19:42,300 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2021-05-01 08:19:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:19:42,300 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2021-05-01 08:19:42,300 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 08:19:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2021-05-01 08:19:42,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-01 08:19:42,301 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:19:42,301 INFO L519 BasicCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:19:42,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-05-01 08:19:42,301 INFO L428 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:19:42,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:19:42,301 INFO L82 PathProgramCache]: Analyzing trace with hash 364523544, now seen corresponding path program 36 times [2021-05-01 08:19:42,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:19:42,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543652954] [2021-05-01 08:19:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:19:42,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:19:42,321 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_743 v_main_~n~0_41) (< 0 v_main_~n~0_41)) InVars {main_~n~0=v_main_~n~0_41, main_~j~0=v_main_~j~0_743} OutVars{main_~n~0=v_main_~n~0_41, main_~j~0=v_main_~j~0_743} AuxVars[] AssignedVars[] [2021-05-01 08:19:42,323 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:19:42,327 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,330 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,334 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,337 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,340 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,343 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,346 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,347 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,350 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,353 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:42,354 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:19:42,356 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:42,360 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,363 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,365 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,368 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,371 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,371 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:19:42,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:19:42,398 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:19:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:42,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:42,420 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:19:42,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:42,430 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:19:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:19:42,448 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:19:42,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:19:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:42,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:42,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:19:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:42,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:42,498 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 08:19:42,500 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:19:42,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:19:42,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:19:42,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:42,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,621 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,673 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,675 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,729 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,731 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,791 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,860 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:42,938 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:42,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:42,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,015 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,018 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,096 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,182 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,185 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,275 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,379 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,486 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,596 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,598 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,716 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,846 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,848 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:43,975 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:43,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:43,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:44,116 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:44,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:44,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:44,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:44,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:44,261 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:44,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:44,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:44,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:44,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:44,401 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:44,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:44,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:44,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:44,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:44,553 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:44,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:44,556 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:44,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:44,719 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:44,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:44,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:44,882 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:44,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:44,884 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:44,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:45,069 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:45,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:45,072 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:45,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:45,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:45,962 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:45,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:45,964 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:45,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:45,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:46,149 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:46,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:46,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:46,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:46,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:46,364 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:46,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:46,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:46,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:46,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:46,570 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:46,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:46,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:46,765 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:46,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:46,767 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:46,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:46,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:46,961 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:46,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:46,963 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:46,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:46,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:47,167 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:47,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:47,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:47,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:47,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:47,403 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:47,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:47,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:47,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:47,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:47,740 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:47,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:47,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:47,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:47,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:48,136 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:48,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:48,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:48,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:48,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:48,579 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:19:48,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:48,582 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:19:48,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:19:48,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:19:48,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:48,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:48,988 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:19:48,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543652954] [2021-05-01 08:19:48,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1543652954] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:19:48,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:19:48,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-05-01 08:19:48,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595555897] [2021-05-01 08:19:48,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-01 08:19:48,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:19:48,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-01 08:19:48,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=1188, Unknown=0, NotChecked=0, Total=1980 [2021-05-01 08:19:48,990 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 08:19:49,328 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-05-01 08:19:59,068 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-05-01 08:19:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:19:59,386 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2021-05-01 08:19:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-05-01 08:19:59,388 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 08:19:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:19:59,389 INFO L225 Difference]: With dead ends: 55 [2021-05-01 08:19:59,389 INFO L226 Difference]: Without dead ends: 50 [2021-05-01 08:19:59,389 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 15796.8ms TimeCoverageRelationStatistics Valid=2327, Invalid=4813, Unknown=0, NotChecked=0, Total=7140 [2021-05-01 08:19:59,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-05-01 08:19:59,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-05-01 08:19:59,432 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 08:19:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-05-01 08:19:59,432 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2021-05-01 08:19:59,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:19:59,432 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2021-05-01 08:19:59,433 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 08:19:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-05-01 08:19:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-01 08:19:59,433 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:19:59,433 INFO L519 BasicCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:19:59,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-05-01 08:19:59,433 INFO L428 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:19:59,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:19:59,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1549283194, now seen corresponding path program 37 times [2021-05-01 08:19:59,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:19:59,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736058370] [2021-05-01 08:19:59,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:19:59,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:19:59,448 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_42) (< v_main_~j~0_782 v_main_~n~0_42)) InVars {main_~n~0=v_main_~n~0_42, main_~j~0=v_main_~j~0_782} OutVars{main_~n~0=v_main_~n~0_42, main_~j~0=v_main_~j~0_782} AuxVars[] AssignedVars[] [2021-05-01 08:19:59,450 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:19:59,452 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,459 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:59,463 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,463 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:19:59,467 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:19:59,471 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,475 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,479 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,487 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,492 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,496 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,500 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,504 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,509 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,513 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,516 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,520 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,522 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:19:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:19:59,567 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:19:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:59,582 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:19:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:59,602 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:19:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:19:59,630 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:19:59,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:19:59,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:59,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:19:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 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 1 [2021-05-01 08:19:59,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:19:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:19:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:19:59,718 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 08:19:59,720 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:19:59,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:59,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:19:59,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:19:59,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:59,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:19:59,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:59,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:59,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:59,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:59,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:59,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:59,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:19:59,948 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:19:59,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:19:59,951 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:19:59,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:19:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,045 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,048 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,176 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,292 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,412 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,416 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,532 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,534 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,662 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,665 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,797 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:00,953 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:00,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:00,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:00,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:01,114 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:01,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:01,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:01,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:01,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:01,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:01,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:01,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:01,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:01,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:01,493 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:01,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:01,495 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:01,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:01,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:01,694 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:01,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:01,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:01,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:01,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:01,904 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:01,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:01,907 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:01,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:02,129 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:02,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:02,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:02,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:02,365 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:02,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:02,368 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:02,615 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:02,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:02,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:02,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:02,887 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:02,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:02,890 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:02,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:03,171 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:03,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:03,174 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:03,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:03,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:03,471 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:03,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:03,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:03,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:03,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:03,776 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:03,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:03,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:04,064 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:04,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:04,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:04,366 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:04,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:04,369 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:04,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:04,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:04,660 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:04,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:04,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:04,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:04,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:04,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:04,998 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:05,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:05,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:05,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:05,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:05,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:05,702 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:05,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:05,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:05,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:05,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:06,072 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:06,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:06,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:06,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:06,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:06,464 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:06,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:06,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:06,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:06,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:06,850 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:06,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:06,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:06,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:06,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:07,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:07,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:07,234 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:07,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:07,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:07,670 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:07,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:07,673 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:07,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:08,092 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:08,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:08,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:08,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:08,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:08,550 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:08,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:08,553 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:08,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:08,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:08,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:08,999 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:09,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:09,431 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:20:09,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736058370] [2021-05-01 08:20:09,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [736058370] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:20:09,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:20:09,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2021-05-01 08:20:09,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996469663] [2021-05-01 08:20:09,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-05-01 08:20:09,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:20:09,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-05-01 08:20:09,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=795, Invalid=1275, Unknown=0, NotChecked=0, Total=2070 [2021-05-01 08:20:09,433 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 08:20:16,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:20:16,857 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2021-05-01 08:20:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-01 08:20:16,858 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 08:20:16,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:20:16,859 INFO L225 Difference]: With dead ends: 56 [2021-05-01 08:20:16,859 INFO L226 Difference]: Without dead ends: 51 [2021-05-01 08:20:16,860 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 16135.1ms TimeCoverageRelationStatistics Valid=2372, Invalid=5110, Unknown=0, NotChecked=0, Total=7482 [2021-05-01 08:20:16,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-05-01 08:20:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-05-01 08:20:16,904 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 08:20:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2021-05-01 08:20:16,905 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2021-05-01 08:20:16,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:20:16,905 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2021-05-01 08:20:16,905 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 08:20:16,905 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2021-05-01 08:20:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-01 08:20:16,905 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:20:16,905 INFO L519 BasicCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:20:16,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-05-01 08:20:16,906 INFO L428 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:20:16,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:20:16,906 INFO L82 PathProgramCache]: Analyzing trace with hash -747749928, now seen corresponding path program 38 times [2021-05-01 08:20:16,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:20:16,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229041407] [2021-05-01 08:20:16,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:20:16,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:20:16,923 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_822 v_main_~n~0_43) (< 0 v_main_~n~0_43)) InVars {main_~n~0=v_main_~n~0_43, main_~j~0=v_main_~j~0_822} OutVars{main_~n~0=v_main_~n~0_43, main_~j~0=v_main_~j~0_822} AuxVars[] AssignedVars[] [2021-05-01 08:20:16,925 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:20:16,926 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,930 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,934 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:16,935 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:20:16,938 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:16,943 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,947 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,951 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,954 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,958 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,962 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,966 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,969 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,972 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,975 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,979 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,982 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:16,984 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:20:17,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:20:17,019 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:20:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:17,032 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:20:17,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:20:17,042 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:20:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:20:17,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:20:17,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:20:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:17,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:20:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:17,106 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 08:20:17,107 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:20:17,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:20:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:20:17,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,192 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,195 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,245 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,248 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,300 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,360 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,428 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,430 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,501 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,584 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,714 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,716 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:17,857 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:17,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:17,860 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:17,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:17,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:18,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:18,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:18,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:18,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:18,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:18,220 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:18,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:18,223 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:18,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:18,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:18,396 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:18,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:18,399 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:18,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:18,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:18,596 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:18,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:18,599 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:18,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:18,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:18,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:18,989 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:18,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:18,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:18,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:18,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:19,216 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:19,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:19,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:19,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:19,430 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:19,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:19,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:19,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:19,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:19,682 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:19,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:19,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:19,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:19,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:19,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:19,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:19,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:19,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:19,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:20,238 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:20,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:20,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:20,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:20,512 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:20,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:20,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:20,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:20,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:20,801 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:20,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:20,804 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:20,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:20,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:21,109 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:21,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:21,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:21,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:21,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:21,402 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:21,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:21,405 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:21,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:21,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:21,708 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:21,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:21,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:21,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:21,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:22,049 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:22,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:22,052 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:22,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:22,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:22,377 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:22,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:22,379 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:22,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:22,717 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:22,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:22,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:22,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:22,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:23,073 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:23,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:23,076 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:23,462 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:23,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:23,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:23,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:23,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:23,836 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:23,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:23,839 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:23,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:23,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:24,232 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:24,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:24,235 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:24,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:24,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:24,573 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:24,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:24,576 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:24,859 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:24,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:24,861 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:24,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:24,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:25,123 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:25,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:25,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:25,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:25,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:25,410 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:25,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:25,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:25,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:25,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:25,680 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:20:25,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:25,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:20:25,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:20:25,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:20:25,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:25,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:25,980 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:20:25,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229041407] [2021-05-01 08:20:25,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1229041407] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:20:25,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:20:25,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-05-01 08:20:25,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77915321] [2021-05-01 08:20:25,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-01 08:20:25,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:20:25,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-01 08:20:25,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=1327, Unknown=0, NotChecked=0, Total=2162 [2021-05-01 08:20:25,982 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 08:20:26,325 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-05-01 08:20:37,724 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-05-01 08:20:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:20:38,254 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2021-05-01 08:20:38,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-01 08:20:38,257 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 08:20:38,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:20:38,257 INFO L225 Difference]: With dead ends: 57 [2021-05-01 08:20:38,257 INFO L226 Difference]: Without dead ends: 52 [2021-05-01 08:20:38,258 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 20001.3ms TimeCoverageRelationStatistics Valid=2492, Invalid=5340, Unknown=0, NotChecked=0, Total=7832 [2021-05-01 08:20:38,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-05-01 08:20:38,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-05-01 08:20:38,305 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 08:20:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2021-05-01 08:20:38,306 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2021-05-01 08:20:38,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:20:38,306 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2021-05-01 08:20:38,306 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 08:20:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2021-05-01 08:20:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-05-01 08:20:38,306 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:20:38,306 INFO L519 BasicCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:20:38,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-05-01 08:20:38,307 INFO L428 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:20:38,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:20:38,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1670022458, now seen corresponding path program 39 times [2021-05-01 08:20:38,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:20:38,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030427931] [2021-05-01 08:20:38,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:20:38,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:20:38,318 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_863 v_main_~n~0_44) (< 0 v_main_~n~0_44)) InVars {main_~n~0=v_main_~n~0_44, main_~j~0=v_main_~j~0_863} OutVars{main_~n~0=v_main_~n~0_44, main_~j~0=v_main_~j~0_863} AuxVars[] AssignedVars[] [2021-05-01 08:20:38,321 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:20:38,328 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,336 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,342 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,349 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,355 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,361 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,367 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,368 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,375 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:38,380 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,382 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:20:38,387 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:38,394 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,398 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,403 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,409 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,416 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,417 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:20:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:20:38,484 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:20:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:38,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:38,504 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:20:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:20:38,528 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:20:38,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:20:38,567 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:20:38,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:20:38,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:38,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:38,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:38,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:20:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:38,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:38,675 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 08:20:38,677 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:20:38,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:38,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:20:38,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:20:38,758 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:20:38,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:38,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:38,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:38,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:38,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:38,842 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:38,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:38,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:38,916 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:38,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:38,919 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,017 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,020 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,117 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,220 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,476 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,754 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:39,908 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:39,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:39,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:39,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:39,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:40,081 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:40,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:40,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:40,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:40,274 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:40,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:40,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:40,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:40,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:40,450 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:40,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:40,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:40,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:40,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:40,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:40,790 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:40,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:40,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:40,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:40,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:40,981 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:40,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:40,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:40,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:40,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:41,198 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:41,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:41,201 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:41,420 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:41,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:41,424 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:41,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:41,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:41,654 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:41,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:41,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:41,898 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:41,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:41,901 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:41,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:41,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:42,122 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:42,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:42,125 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:42,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:42,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:42,379 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:42,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:42,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:42,618 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:42,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:42,621 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:42,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:42,880 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:42,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:42,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:42,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:42,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:43,151 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:43,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:43,154 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:43,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:43,413 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:43,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:43,416 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:43,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:43,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:43,713 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:43,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:43,716 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:43,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:43,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:43,990 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:43,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:43,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:44,307 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:44,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:44,309 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:44,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:44,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:44,636 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:44,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:44,639 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:44,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:44,956 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:44,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:44,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:44,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:44,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:45,325 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:45,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:45,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:45,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:45,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:45,683 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:45,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:45,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:45,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:45,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:46,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:46,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:46,049 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:46,417 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:46,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:46,421 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:46,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:46,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:46,830 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:46,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:46,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:46,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:47,235 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:47,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:47,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:47,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:47,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:20:47,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:47,621 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:20:47,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:20:47,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:20:48,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:48,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:48,034 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:20:48,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030427931] [2021-05-01 08:20:48,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1030427931] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:20:48,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:20:48,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2021-05-01 08:20:48,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761376712] [2021-05-01 08:20:48,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-01 08:20:48,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:20:48,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-01 08:20:48,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=915, Invalid=1341, Unknown=0, NotChecked=0, Total=2256 [2021-05-01 08:20:48,035 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 08:20:56,136 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-05-01 08:20:56,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:20:56,584 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2021-05-01 08:20:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-01 08:20:56,587 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 08:20:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:20:56,588 INFO L225 Difference]: With dead ends: 58 [2021-05-01 08:20:56,588 INFO L226 Difference]: Without dead ends: 53 [2021-05-01 08:20:56,588 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 985 ImplicationChecksByTransitivity, 16639.8ms TimeCoverageRelationStatistics Valid=2693, Invalid=5497, Unknown=0, NotChecked=0, Total=8190 [2021-05-01 08:20:56,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-05-01 08:20:56,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-05-01 08:20:56,638 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 08:20:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2021-05-01 08:20:56,638 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2021-05-01 08:20:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:20:56,638 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2021-05-01 08:20:56,638 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 08:20:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2021-05-01 08:20:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-05-01 08:20:56,639 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:20:56,639 INFO L519 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:20:56,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-05-01 08:20:56,639 INFO L428 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:20:56,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:20:56,639 INFO L82 PathProgramCache]: Analyzing trace with hash -195699816, now seen corresponding path program 40 times [2021-05-01 08:20:56,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:20:56,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887907485] [2021-05-01 08:20:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:20:56,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:20:56,650 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_905 v_main_~n~0_45) (< 0 v_main_~n~0_45)) InVars {main_~n~0=v_main_~n~0_45, main_~j~0=v_main_~j~0_905} OutVars{main_~n~0=v_main_~n~0_45, main_~j~0=v_main_~j~0_905} AuxVars[] AssignedVars[] [2021-05-01 08:20:56,653 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:20:56,654 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,660 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,667 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:56,669 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:20:56,674 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:20:56,680 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,685 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,690 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,699 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,706 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,711 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,716 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,721 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,726 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,732 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,737 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,742 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,743 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:20:56,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:20:56,803 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:20:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:56,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:56,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:20:56,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:20:56,839 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:20:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:20:56,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:20:56,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:20:56,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:56,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:20:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:20:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:20:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:20:56,981 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 08:20:56,983 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:20:56,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:56,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:56,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:20:56,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:20:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:57,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:20:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,150 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,243 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,246 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,350 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,466 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,469 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,594 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,729 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,732 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:57,869 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:57,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:57,872 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:57,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:57,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:58,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:58,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:58,022 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:58,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:58,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:58,190 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:58,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:58,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:58,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:58,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:58,365 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:58,368 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:58,549 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:58,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:58,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:58,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:58,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:58,737 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:58,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:58,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:58,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:58,938 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:58,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:58,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:58,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:59,167 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:59,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:59,170 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:59,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:59,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:59,397 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:59,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:59,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:59,643 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:59,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:59,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:20:59,924 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:20:59,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:20:59,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:20:59,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:20:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:00,214 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:00,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:00,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:00,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:00,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:00,558 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:00,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:00,563 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:00,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:00,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:00,888 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:00,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:00,896 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:00,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:00,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:01,199 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:01,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:01,202 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:01,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:01,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:01,548 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:01,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:01,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:01,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:01,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:01,895 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:01,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:01,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:01,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:02,262 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:02,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:02,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:02,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:02,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:02,623 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:02,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:02,626 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:02,998 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:02,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:03,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:03,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:03,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:03,306 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:03,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:03,310 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:03,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:03,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:03,701 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:03,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:03,703 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:03,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:04,037 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:04,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:04,040 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:04,379 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:04,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:04,382 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:04,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:04,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:04,789 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:04,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:04,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:04,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:05,223 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:05,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:05,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:05,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:05,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:05,721 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:05,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:05,724 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:05,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:05,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:06,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:06,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:06,175 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:06,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:06,606 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:06,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:06,609 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:06,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:07,070 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:07,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:07,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:07,622 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:07,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:07,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:07,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:08,176 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:08,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:08,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:08,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:08,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:08,731 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:21:08,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:08,734 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:21:08,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:21:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:21:09,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:09,281 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:21:09,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887907485] [2021-05-01 08:21:09,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1887907485] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:21:09,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:21:09,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-05-01 08:21:09,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316620691] [2021-05-01 08:21:09,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-01 08:21:09,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:21:09,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-01 08:21:09,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=1394, Unknown=0, NotChecked=0, Total=2352 [2021-05-01 08:21:09,283 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 08:21:09,714 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:21:24,618 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:21:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:21:25,087 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2021-05-01 08:21:25,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-01 08:21:25,091 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 08:21:25,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:21:25,092 INFO L225 Difference]: With dead ends: 59 [2021-05-01 08:21:25,092 INFO L226 Difference]: Without dead ends: 54 [2021-05-01 08:21:25,093 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 26623.5ms TimeCoverageRelationStatistics Valid=2821, Invalid=5735, Unknown=0, NotChecked=0, Total=8556 [2021-05-01 08:21:25,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-05-01 08:21:25,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-05-01 08:21:25,151 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 08:21:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2021-05-01 08:21:25,151 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2021-05-01 08:21:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:21:25,152 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2021-05-01 08:21:25,152 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 08:21:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2021-05-01 08:21:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-01 08:21:25,152 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:21:25,152 INFO L519 BasicCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:21:25,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-05-01 08:21:25,152 INFO L428 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:21:25,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:21:25,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1736338170, now seen corresponding path program 41 times [2021-05-01 08:21:25,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:21:25,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378616158] [2021-05-01 08:21:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:21:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:21:25,165 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_46) (< v_main_~j~0_948 v_main_~n~0_46)) InVars {main_~n~0=v_main_~n~0_46, main_~j~0=v_main_~j~0_948} OutVars{main_~n~0=v_main_~n~0_46, main_~j~0=v_main_~j~0_948} AuxVars[] AssignedVars[] [2021-05-01 08:21:25,168 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:21:25,170 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,177 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,185 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:25,187 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:21:25,194 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,199 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:25,204 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,209 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,216 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,226 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,232 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,237 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,243 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,249 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,255 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,261 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,268 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,270 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:21:25,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:21:25,349 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:21:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:25,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:25,367 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:21:25,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:21:25,398 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:21:25,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:21:25,449 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:21:25,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:21:25,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:25,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:25,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:21:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:25,592 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 08:21:25,594 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:21:25,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:21:25,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:21:25,683 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:21:25,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:25,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:25,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:25,776 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:25,864 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:25,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:25,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:25,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:25,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:25,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:25,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:25,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,060 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,063 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,303 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,306 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,436 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,582 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,730 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,733 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:26,900 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:26,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:26,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:26,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:26,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:27,066 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:27,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:27,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:27,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:27,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:27,246 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:27,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:27,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:27,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:27,441 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:27,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:27,444 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:27,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:27,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:27,616 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:27,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:27,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:27,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:27,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:27,809 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:27,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:27,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:27,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:28,025 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:28,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:28,029 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:28,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:28,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:28,239 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:28,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:28,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:28,473 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:28,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:28,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:28,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:28,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:28,701 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:28,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:28,704 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:28,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:28,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:28,949 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:28,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:28,952 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:28,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:29,192 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:29,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:29,195 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:29,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:29,445 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:29,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:29,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:29,705 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:29,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:29,709 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:29,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:29,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:29,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:29,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:29,987 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:29,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:30,257 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:30,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:30,259 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:30,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:30,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:30,431 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:30,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:30,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:30,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:30,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:30,623 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:30,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:30,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:30,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:30,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:30,817 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:30,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:30,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:31,001 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:31,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:31,004 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:31,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:31,226 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:31,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:31,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:31,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:31,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:31,472 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:31,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:31,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:31,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:31,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:31,716 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:31,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:31,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:31,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:31,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:31,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:31,960 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:31,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:31,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:32,203 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:32,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:32,205 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:32,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:32,465 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:32,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:32,467 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:32,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:32,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:32,721 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:32,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:32,723 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:32,977 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:32,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:32,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:32,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:32,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:33,235 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:33,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:33,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:33,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:33,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:33,541 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:33,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:33,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:33,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:33,822 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:21:33,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:33,824 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:21:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:21:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:21:34,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:34,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:34,142 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:21:34,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378616158] [2021-05-01 08:21:34,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1378616158] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:21:34,142 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:21:34,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2021-05-01 08:21:34,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865037898] [2021-05-01 08:21:34,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-05-01 08:21:34,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:21:34,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-05-01 08:21:34,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1002, Invalid=1448, Unknown=0, NotChecked=0, Total=2450 [2021-05-01 08:21:34,144 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 08:21:43,519 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-05-01 08:21:43,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:21:43,841 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2021-05-01 08:21:43,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-01 08:21:43,844 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 08:21:43,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:21:43,844 INFO L225 Difference]: With dead ends: 60 [2021-05-01 08:21:43,844 INFO L226 Difference]: Without dead ends: 55 [2021-05-01 08:21:43,845 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 17450.9ms TimeCoverageRelationStatistics Valid=2952, Invalid=5978, Unknown=0, NotChecked=0, Total=8930 [2021-05-01 08:21:43,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-05-01 08:21:43,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-05-01 08:21:43,899 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 08:21:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2021-05-01 08:21:43,899 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2021-05-01 08:21:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:21:43,900 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2021-05-01 08:21:43,900 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 08:21:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2021-05-01 08:21:43,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-05-01 08:21:43,900 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:21:43,900 INFO L519 BasicCegarLoop]: trace histogram [42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:21:43,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-05-01 08:21:43,900 INFO L428 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:21:43,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:21:43,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2043480408, now seen corresponding path program 42 times [2021-05-01 08:21:43,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:21:43,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459568790] [2021-05-01 08:21:43,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:21:43,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:21:43,910 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_992 v_main_~n~0_47) (< 0 v_main_~n~0_47)) InVars {main_~n~0=v_main_~n~0_47, main_~j~0=v_main_~j~0_992} OutVars{main_~n~0=v_main_~n~0_47, main_~j~0=v_main_~j~0_992} AuxVars[] AssignedVars[] [2021-05-01 08:21:43,913 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:21:43,915 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,923 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,932 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:43,933 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:21:43,939 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:21:43,946 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,956 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,964 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,971 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,979 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,986 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:43,993 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,000 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,007 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,013 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,025 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,031 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,033 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:21:44,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:21:44,129 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:21:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:44,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:44,144 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:21:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:21:44,178 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-05-01 08:21:44,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:21:44,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:21:44,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:21:44,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:44,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:21:44,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:44,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:21:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:21:44,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:44,375 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 08:21:44,378 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:21:44,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:21:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:21:44,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:44,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:44,591 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:44,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,594 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:44,679 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:44,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:44,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:44,741 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:44,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:44,812 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:44,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,814 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:44,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:44,890 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:44,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,892 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:44,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:44,983 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:44,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:44,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:44,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:44,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,080 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,082 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,180 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,182 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,285 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,287 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,400 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,534 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,536 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,673 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,676 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,818 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:45,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:45,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:45,973 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:45,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:46,141 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:46,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:46,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:46,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:46,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:46,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:46,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:46,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:46,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:46,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:46,499 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:46,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:46,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:46,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:46,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:46,682 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:46,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:46,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:46,883 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:46,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:46,885 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:46,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:46,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:47,092 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:47,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:47,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:47,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:47,321 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:47,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:47,333 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:47,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:47,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:47,542 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:47,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:47,544 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:47,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:47,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:47,773 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:47,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:47,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:47,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:47,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:47,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:48,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:48,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:48,234 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:48,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:48,236 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:48,501 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:48,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:48,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:48,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:48,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:48,750 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:48,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:48,753 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:48,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:48,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:49,002 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:49,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:49,004 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:49,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:49,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:49,290 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:49,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:49,292 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:49,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:49,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:49,584 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:49,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:49,586 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:49,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:49,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:49,883 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:49,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:49,885 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:49,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:49,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:50,202 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:50,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:50,204 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:50,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:50,515 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:50,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:50,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:50,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:50,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:50,856 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:50,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:50,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:50,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:51,166 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:51,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:51,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:51,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:51,481 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:51,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:51,483 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:51,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:51,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:51,817 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:51,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:51,820 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:51,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:52,172 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:52,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:52,175 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:52,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:52,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:52,523 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:52,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:52,526 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:52,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:52,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:52,889 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:52,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:52,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:53,250 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:21:53,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:21:53,252 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:21:53,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:21:53,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:21:53,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:21:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:21:53,608 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:21:53,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459568790] [2021-05-01 08:21:53,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [459568790] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:21:53,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:21:53,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-05-01 08:21:53,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428600390] [2021-05-01 08:21:53,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-05-01 08:21:53,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:21:53,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-05-01 08:21:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1005, Invalid=1545, Unknown=0, NotChecked=0, Total=2550 [2021-05-01 08:21:53,609 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 08:21:53,789 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-05-01 08:22:06,189 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-05-01 08:22:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:22:06,459 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2021-05-01 08:22:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-01 08:22:06,461 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 08:22:06,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:22:06,461 INFO L225 Difference]: With dead ends: 61 [2021-05-01 08:22:06,461 INFO L226 Difference]: Without dead ends: 56 [2021-05-01 08:22:06,462 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 21478.1ms TimeCoverageRelationStatistics Valid=3002, Invalid=6310, Unknown=0, NotChecked=0, Total=9312 [2021-05-01 08:22:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-05-01 08:22:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-05-01 08:22:06,514 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 08:22:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2021-05-01 08:22:06,514 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2021-05-01 08:22:06,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:22:06,514 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2021-05-01 08:22:06,514 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 08:22:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2021-05-01 08:22:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-05-01 08:22:06,515 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:22:06,515 INFO L519 BasicCegarLoop]: trace histogram [43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:22:06,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-05-01 08:22:06,515 INFO L428 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:22:06,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:22:06,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1041227962, now seen corresponding path program 43 times [2021-05-01 08:22:06,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:22:06,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599086739] [2021-05-01 08:22:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:22:06,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:22:06,522 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_48) (< v_main_~j~0_1037 v_main_~n~0_48)) InVars {main_~n~0=v_main_~n~0_48, main_~j~0=v_main_~j~0_1037} OutVars{main_~n~0=v_main_~n~0_48, main_~j~0=v_main_~j~0_1037} AuxVars[] AssignedVars[] [2021-05-01 08:22:06,527 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:22:06,533 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,538 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,544 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,549 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,552 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,557 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,561 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,562 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,567 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,572 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:06,572 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:22:06,576 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:06,580 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,583 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,587 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,591 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,595 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,596 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:22:06,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:22:06,635 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:22:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:06,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:06,646 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:22:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:22:06,660 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:22:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:22:06,684 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:22:06,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:22:06,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:06,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:06,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:22:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:06,747 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 08:22:06,748 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:22:06,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:22:06,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:22:06,803 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:22:06,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:06,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:06,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:06,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:06,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:06,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:06,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:06,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:06,922 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:06,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:06,924 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:06,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:06,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:06,988 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:06,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:06,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:06,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:06,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,063 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,066 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,155 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,251 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,254 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,341 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,449 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,647 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,754 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,761 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:07,892 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:07,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:07,894 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:07,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:07,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,013 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,133 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,135 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,260 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,262 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,397 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,399 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,530 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,685 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,687 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:08,845 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:08,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:08,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:08,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:09,017 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:09,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:09,019 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:09,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:09,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:09,202 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:09,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:09,204 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:09,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:09,394 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:09,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:09,396 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:09,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:09,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:09,620 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:09,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:09,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:09,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:09,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:09,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:09,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:09,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:09,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:09,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:10,082 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:10,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:10,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:10,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:10,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:10,314 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:10,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:10,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:10,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:10,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:10,527 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:10,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:10,529 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:10,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:10,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:10,758 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:10,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:10,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:10,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:10,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:10,998 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:10,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:11,000 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:11,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:11,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:11,255 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:11,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:11,257 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:11,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:11,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:11,496 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:11,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:11,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:11,736 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:11,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:11,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:11,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:12,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:12,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:12,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:12,304 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:12,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:12,307 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:12,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:12,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:12,639 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:12,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:12,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:12,967 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:12,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:12,970 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:12,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:12,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:13,309 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:13,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:13,312 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:13,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:13,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:13,673 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:13,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:13,675 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:13,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:14,004 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:14,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:14,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:14,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:14,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:14,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:14,346 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:14,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:14,712 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:14,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:14,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:14,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:15,064 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:15,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:15,066 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:15,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:15,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:15,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:15,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:15,422 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:22:15,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599086739] [2021-05-01 08:22:15,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1599086739] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:22:15,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:22:15,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2021-05-01 08:22:15,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905370809] [2021-05-01 08:22:15,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-01 08:22:15,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:22:15,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-01 08:22:15,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1093, Invalid=1559, Unknown=0, NotChecked=0, Total=2652 [2021-05-01 08:22:15,423 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 08:22:28,715 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:22:28,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:22:28,934 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2021-05-01 08:22:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-01 08:22:28,939 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 08:22:28,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:22:28,939 INFO L225 Difference]: With dead ends: 62 [2021-05-01 08:22:28,939 INFO L226 Difference]: Without dead ends: 57 [2021-05-01 08:22:28,940 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 21507.7ms TimeCoverageRelationStatistics Valid=3223, Invalid=6479, Unknown=0, NotChecked=0, Total=9702 [2021-05-01 08:22:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-05-01 08:22:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-05-01 08:22:28,999 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 08:22:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2021-05-01 08:22:28,999 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2021-05-01 08:22:29,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:22:29,000 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2021-05-01 08:22:29,000 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 08:22:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2021-05-01 08:22:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-01 08:22:29,000 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:22:29,000 INFO L519 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:22:29,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-05-01 08:22:29,000 INFO L428 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:22:29,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:22:29,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2117060376, now seen corresponding path program 44 times [2021-05-01 08:22:29,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:22:29,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322480728] [2021-05-01 08:22:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:22:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:22:29,014 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_49) (< v_main_~j~0_1083 v_main_~n~0_49)) InVars {main_~n~0=v_main_~n~0_49, main_~j~0=v_main_~j~0_1083} OutVars{main_~n~0=v_main_~n~0_49, main_~j~0=v_main_~j~0_1083} AuxVars[] AssignedVars[] [2021-05-01 08:22:29,019 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:22:29,028 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,035 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,043 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,054 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,063 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,070 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,080 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,082 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,090 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,100 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:29,102 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:22:29,112 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,121 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,128 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,135 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,141 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:29,149 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,151 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:22:29,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:22:29,246 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:22:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:29,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:29,260 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:22:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:22:29,288 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:22:29,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:22:29,345 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:22:29,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:22:29,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:22:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:29,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:29,490 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 08:22:29,492 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:22:29,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:29,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:22:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:22:29,599 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:22:29,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:29,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:29,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:29,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:29,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:29,705 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:29,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:29,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:29,799 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:29,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:29,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:29,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:29,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:29,905 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:29,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:29,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:29,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:29,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,034 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,161 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,593 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,758 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,761 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:30,938 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:30,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:30,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:30,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:31,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:31,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:31,549 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:31,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:31,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:31,746 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:31,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:31,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:31,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:31,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:31,952 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:31,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:31,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:31,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:31,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:32,170 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:32,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:32,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:32,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:32,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:32,378 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:32,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:32,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:32,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:32,594 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:32,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:32,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:32,858 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:32,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:32,861 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:32,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:33,108 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:33,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:33,111 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:33,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:33,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:33,365 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:33,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:33,368 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:33,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:33,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:33,604 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:33,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:33,606 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:33,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:33,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:33,826 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:33,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:33,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:34,044 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:34,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:34,047 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:34,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:34,275 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:34,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:34,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:34,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:34,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:34,526 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:34,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:34,529 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:34,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:34,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:34,751 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:34,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:34,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:34,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:34,977 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:34,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:34,980 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:34,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:35,240 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:35,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:35,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:35,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:35,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:35,493 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:35,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:35,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:35,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:35,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:35,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:35,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:35,751 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:35,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:36,023 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:36,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:36,026 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:36,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:36,289 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:36,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:36,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:36,536 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:36,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:36,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:36,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:36,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:36,798 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:36,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:36,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:36,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:36,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:37,071 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:37,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:37,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:37,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:37,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:37,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:37,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:37,361 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:37,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:37,718 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:37,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:37,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:37,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:37,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:38,133 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:38,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:38,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:38,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:38,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:38,659 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:38,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:38,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:38,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:38,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:39,150 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:39,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:39,153 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:39,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:39,681 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:39,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:39,684 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:39,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:39,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:40,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:40,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:40,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:40,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:40,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:40,856 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:40,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:40,859 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:40,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:40,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:41,404 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:41,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:41,407 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:41,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:41,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:41,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:41,805 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:22:41,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322480728] [2021-05-01 08:22:41,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1322480728] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:22:41,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:22:41,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-05-01 08:22:41,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994183436] [2021-05-01 08:22:41,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-05-01 08:22:41,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:22:41,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-05-01 08:22:41,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1140, Invalid=1616, Unknown=0, NotChecked=0, Total=2756 [2021-05-01 08:22:41,806 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 08:22:52,819 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:22:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:22:52,966 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2021-05-01 08:22:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-01 08:22:52,969 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 08:22:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:22:52,969 INFO L225 Difference]: With dead ends: 63 [2021-05-01 08:22:52,969 INFO L226 Difference]: Without dead ends: 58 [2021-05-01 08:22:52,970 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 22787.8ms TimeCoverageRelationStatistics Valid=3363, Invalid=6737, Unknown=0, NotChecked=0, Total=10100 [2021-05-01 08:22:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-05-01 08:22:53,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-05-01 08:22:53,027 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 08:22:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2021-05-01 08:22:53,027 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2021-05-01 08:22:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:22:53,027 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2021-05-01 08:22:53,027 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 08:22:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2021-05-01 08:22:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-05-01 08:22:53,027 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:22:53,027 INFO L519 BasicCegarLoop]: trace histogram [45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:22:53,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-05-01 08:22:53,028 INFO L428 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:22:53,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:22:53,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1239751046, now seen corresponding path program 45 times [2021-05-01 08:22:53,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:22:53,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139608067] [2021-05-01 08:22:53,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:22:53,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:22:53,037 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1130 v_main_~n~0_50) (< 0 v_main_~n~0_50)) InVars {main_~n~0=v_main_~n~0_50, main_~j~0=v_main_~j~0_1130} OutVars{main_~n~0=v_main_~n~0_50, main_~j~0=v_main_~j~0_1130} AuxVars[] AssignedVars[] [2021-05-01 08:22:53,039 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:22:53,040 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,046 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:53,050 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,051 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:22:53,055 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:22:53,060 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,066 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,072 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,078 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,082 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,087 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,091 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,095 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,099 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,104 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,108 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,112 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,113 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:22:53,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:22:53,169 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:22:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:53,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:53,182 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:22:53,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:22:53,212 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:22:53,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:22:53,250 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:22:53,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:22:53,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:53,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:22:53,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:53,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:22:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:22:53,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:22:53,335 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 08:22:53,336 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:22:53,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:22:53,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:22:53,397 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:22:53,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:22:53,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:53,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,591 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:53,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,593 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,663 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:53,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,665 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,746 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:53,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,849 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:53,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,851 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:53,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:53,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:53,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,064 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,169 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 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 52 [2021-05-01 08:22:54,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,285 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,288 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,406 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,409 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,537 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,539 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,674 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,676 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,817 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:54,972 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:54,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:54,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:54,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:54,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:55,136 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:55,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:55,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:55,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:55,319 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:55,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:55,321 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:55,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:55,495 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:55,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:55,497 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:55,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:55,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:55,669 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:55,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:55,672 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:55,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:55,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:55,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:55,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:55,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:55,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:56,067 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:56,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:56,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:56,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:56,301 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:56,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:56,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:56,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:56,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:56,521 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:56,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:56,524 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:56,762 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:56,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:56,765 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:56,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:56,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:57,031 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:57,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:57,034 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:57,285 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:57,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:57,287 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:57,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:57,568 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:57,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:57,570 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:57,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:57,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:57,823 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:57,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:57,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:57,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:58,112 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:58,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:58,114 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:58,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:58,400 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:58,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:58,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:58,700 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:58,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:58,703 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:58,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:58,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:58,977 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:58,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:58,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:59,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:59,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:59,283 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:59,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:59,622 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:59,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:59,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:22:59,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:22:59,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:22:59,972 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:22:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:22:59,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:00,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:00,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:00,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:00,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:00,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:00,742 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:00,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:00,745 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:01,095 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:01,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:01,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:01,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:01,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:01,512 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:01,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:01,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:01,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:01,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:01,884 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:01,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:01,886 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:02,272 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:02,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:02,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:02,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:02,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:02,663 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:02,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:02,665 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:03,166 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:03,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:03,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:03,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:03,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:03,747 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:23:03,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:03,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:23:03,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:23:03,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:23:04,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:04,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:04,367 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:23:04,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139608067] [2021-05-01 08:23:04,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1139608067] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:23:04,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:23:04,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2021-05-01 08:23:04,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380667945] [2021-05-01 08:23:04,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-01 08:23:04,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:23:04,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-01 08:23:04,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1188, Invalid=1674, Unknown=0, NotChecked=0, Total=2862 [2021-05-01 08:23:04,369 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 08:23:04,691 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-01 08:23:21,606 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:23:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:23:21,929 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2021-05-01 08:23:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-01 08:23:21,932 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 08:23:21,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:23:21,932 INFO L225 Difference]: With dead ends: 64 [2021-05-01 08:23:21,932 INFO L226 Difference]: Without dead ends: 59 [2021-05-01 08:23:21,933 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1270 ImplicationChecksByTransitivity, 27494.0ms TimeCoverageRelationStatistics Valid=3506, Invalid=7000, Unknown=0, NotChecked=0, Total=10506 [2021-05-01 08:23:21,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-05-01 08:23:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-05-01 08:23:21,991 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 08:23:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2021-05-01 08:23:21,991 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2021-05-01 08:23:21,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:23:21,991 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2021-05-01 08:23:21,991 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 08:23:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2021-05-01 08:23:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-05-01 08:23:21,992 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:23:21,992 INFO L519 BasicCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:23:21,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-05-01 08:23:21,992 INFO L428 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:23:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:23:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash -187034408, now seen corresponding path program 46 times [2021-05-01 08:23:21,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:23:21,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163953216] [2021-05-01 08:23:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:23:21,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:23:22,000 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_51) (< v_main_~j~0_1178 v_main_~n~0_51)) InVars {main_~n~0=v_main_~n~0_51, main_~j~0=v_main_~j~0_1178} OutVars{main_~n~0=v_main_~n~0_51, main_~j~0=v_main_~j~0_1178} AuxVars[] AssignedVars[] [2021-05-01 08:23:22,002 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:23:22,009 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,016 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,022 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,029 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,034 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,041 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,048 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,049 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,054 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,060 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:23:22,061 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:23:22,067 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,072 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:23:22,077 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,082 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,088 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,095 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,096 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:23:22,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:23:22,161 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:23:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:23:22,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:22,176 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:23:22,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:23:22,198 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:23:22,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:23:22,232 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:23:22,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:23:22,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:23:22,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:23:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:23:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:23:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:22,335 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 08:23:22,337 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:23:22,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:23:22,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:23:22,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:22,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:22,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:22,498 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:22,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:22,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:22,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:22,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:22,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:22,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:22,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:22,679 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:22,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:22,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:22,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:22,786 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:22,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:22,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:22,910 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:22,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:22,913 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:22,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:22,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:23,041 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:23,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:23,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:23,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:23,183 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:23,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:23,187 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:23,344 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:23,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:23,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:23,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:23,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:23,513 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:23,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:23,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:23,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:23,685 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:23,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:23,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:23,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:23,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:23,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:23,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:23,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:23,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:24,085 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:24,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:24,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:24,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:24,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:24,288 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:24,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:24,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:24,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:24,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:24,511 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:24,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:24,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:24,757 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:24,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:24,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:24,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:24,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:24,987 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:24,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:24,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:24,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:24,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:25,210 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:25,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:25,213 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:25,456 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:25,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:25,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:25,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:25,683 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:25,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:25,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:25,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:25,945 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:25,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:25,948 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:25,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:25,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:26,232 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:26,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:26,234 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:26,511 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:26,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:26,513 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:26,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:26,799 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:26,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:26,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:26,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:26,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:27,090 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:27,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:27,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:27,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:27,409 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:27,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:27,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:27,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:27,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:27,736 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:27,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:27,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:27,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:27,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:28,055 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:28,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:28,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:28,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:28,380 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:28,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:28,383 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:28,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:28,736 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:28,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:28,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:28,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:28,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:29,088 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:29,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:29,091 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:29,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:29,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:29,437 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:29,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:29,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:29,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:29,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:29,837 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:29,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:29,839 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:29,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:29,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:30,238 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:30,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:30,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:30,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:30,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:30,678 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:30,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:30,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:30,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:31,131 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:31,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:31,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:31,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:31,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:31,603 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:31,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:31,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:31,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:31,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:32,075 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:32,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:32,078 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 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 79 [2021-05-01 08:23:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:32,577 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:32,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:32,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:33,090 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:33,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:33,093 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:33,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:33,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:33,657 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:33,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:33,659 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:33,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:33,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:34,224 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:34,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:34,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:34,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:34,803 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:34,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:34,806 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:34,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:34,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:35,563 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:35,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:35,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:36,237 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:36,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:36,240 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:36,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:36,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:36,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:36,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:36,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:36,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:36,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:37,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:37,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:37,498 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:23:37,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163953216] [2021-05-01 08:23:37,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1163953216] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:23:37,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:23:37,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-01 08:23:37,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349779816] [2021-05-01 08:23:37,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-01 08:23:37,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:23:37,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-01 08:23:37,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1191, Invalid=1779, Unknown=0, NotChecked=0, Total=2970 [2021-05-01 08:23:37,499 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 08:23:37,897 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:23:58,424 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:23:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:23:59,051 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2021-05-01 08:23:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-01 08:23:59,053 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 08:23:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:23:59,054 INFO L225 Difference]: With dead ends: 65 [2021-05-01 08:23:59,054 INFO L226 Difference]: Without dead ends: 60 [2021-05-01 08:23:59,055 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1321 ImplicationChecksByTransitivity, 35243.5ms TimeCoverageRelationStatistics Valid=3560, Invalid=7360, Unknown=0, NotChecked=0, Total=10920 [2021-05-01 08:23:59,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-05-01 08:23:59,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-05-01 08:23:59,117 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 08:23:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2021-05-01 08:23:59,117 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2021-05-01 08:23:59,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:23:59,117 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2021-05-01 08:23:59,117 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 08:23:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2021-05-01 08:23:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-01 08:23:59,118 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:23:59,118 INFO L519 BasicCegarLoop]: trace histogram [47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:23:59,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-05-01 08:23:59,118 INFO L428 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:23:59,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:23:59,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1467710522, now seen corresponding path program 47 times [2021-05-01 08:23:59,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:23:59,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376789549] [2021-05-01 08:23:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:23:59,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:23:59,127 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_52) (< v_main_~j~0_1227 v_main_~n~0_52)) InVars {main_~n~0=v_main_~n~0_52, main_~j~0=v_main_~j~0_1227} OutVars{main_~n~0=v_main_~n~0_52, main_~j~0=v_main_~j~0_1227} AuxVars[] AssignedVars[] [2021-05-01 08:23:59,129 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:23:59,136 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,142 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,150 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,155 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,164 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,172 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,180 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,182 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,189 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:23:59,195 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,196 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:23:59,202 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:23:59,208 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,215 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,223 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,230 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,237 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,239 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:23:59,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:23:59,318 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:23:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:23:59,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:59,340 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:23:59,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:23:59,363 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:23:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:23:59,397 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:23:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:23:59,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:23:59,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:23:59,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:59,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:23:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:23:59,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:23:59,501 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 08:23:59,503 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:23:59,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:59,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:23:59,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:23:59,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:23:59,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:59,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:59,678 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:59,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:59,681 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:59,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:59,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:59,777 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:59,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:59,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:59,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:59,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:23:59,887 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:23:59,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:23:59,890 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:23:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:23:59,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,000 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,273 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,275 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,411 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,414 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,577 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,750 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,753 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:00,942 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:00,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:00,945 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:00,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:00,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:01,130 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:01,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:01,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:01,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:01,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:01,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:01,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:01,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:01,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:01,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:01,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:01,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:01,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:01,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:01,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:01,835 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:01,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:01,838 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:02,096 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:02,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:02,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:02,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:02,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:02,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:02,360 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:02,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:02,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:02,625 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:02,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:02,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:02,895 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:02,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:02,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:02,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:02,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:03,190 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:03,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:03,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:03,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:03,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:03,512 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:03,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:03,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:03,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:03,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:03,842 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:03,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:03,845 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:04,238 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:04,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:04,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:04,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:04,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:04,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:04,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:04,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:04,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:04,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:04,994 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:04,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:04,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:05,354 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:05,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:05,357 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:05,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:05,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:05,750 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:05,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:05,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:05,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:05,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:06,226 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:06,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:06,229 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:06,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:06,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:06,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:06,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:07,223 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:07,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:07,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:07,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:07,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:07,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:07,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:07,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:08,278 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:08,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:08,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:08,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:08,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:08,788 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:08,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:08,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:08,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:08,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:09,296 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:09,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:09,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:09,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:09,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:09,812 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:09,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:09,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:10,335 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:10,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:10,338 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:10,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:10,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:10,948 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:10,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:10,951 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:10,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:10,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:11,578 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:11,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:11,581 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:11,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:11,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:12,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:12,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:12,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:12,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:12,859 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:12,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:12,862 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:12,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:12,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:13,424 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:13,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:13,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:13,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:13,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:13,972 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:13,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:13,975 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:13,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:13,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:14,551 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:14,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:14,554 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:14,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:14,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:15,157 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:15,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:15,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:15,779 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:15,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:15,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:15,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:15,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:16,436 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:16,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:16,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:16,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:16,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:17,093 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:24:17,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:17,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:24:17,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:24:17,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:24:17,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:17,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:17,757 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:24:17,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376789549] [2021-05-01 08:24:17,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1376789549] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:24:17,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:24:17,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2021-05-01 08:24:17,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653417807] [2021-05-01 08:24:17,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-05-01 08:24:17,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:24:17,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-05-01 08:24:17,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1240, Invalid=1840, Unknown=0, NotChecked=0, Total=3080 [2021-05-01 08:24:17,758 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 08:24:18,292 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:24:38,444 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:24:39,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:24:39,220 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2021-05-01 08:24:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-05-01 08:24:39,223 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 08:24:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:24:39,223 INFO L225 Difference]: With dead ends: 66 [2021-05-01 08:24:39,223 INFO L226 Difference]: Without dead ends: 61 [2021-05-01 08:24:39,224 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1373 ImplicationChecksByTransitivity, 37953.0ms TimeCoverageRelationStatistics Valid=3707, Invalid=7635, Unknown=0, NotChecked=0, Total=11342 [2021-05-01 08:24:39,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-05-01 08:24:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-05-01 08:24:39,291 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 08:24:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2021-05-01 08:24:39,292 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2021-05-01 08:24:39,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:24:39,292 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2021-05-01 08:24:39,292 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 08:24:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2021-05-01 08:24:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-01 08:24:39,292 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:24:39,292 INFO L519 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:24:39,292 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-05-01 08:24:39,292 INFO L428 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:24:39,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:24:39,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1781002904, now seen corresponding path program 48 times [2021-05-01 08:24:39,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:24:39,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637048423] [2021-05-01 08:24:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:24:39,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:24:39,302 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1277 v_main_~n~0_53) (< 0 v_main_~n~0_53)) InVars {main_~n~0=v_main_~n~0_53, main_~j~0=v_main_~j~0_1277} OutVars{main_~n~0=v_main_~n~0_53, main_~j~0=v_main_~j~0_1277} AuxVars[] AssignedVars[] [2021-05-01 08:24:39,304 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:24:39,312 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,319 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,324 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,331 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,338 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,344 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,350 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,351 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,357 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,363 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:24:39,364 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:24:39,368 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:24:39,375 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,382 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,388 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,393 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,398 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,400 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:24:39,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:24:39,469 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:24:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:24:39,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:39,480 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:24:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:24:39,501 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:24:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:24:39,539 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:24:39,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:24:39,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:24:39,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:24:39,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:24:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:24:39,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:39,639 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 08:24:39,640 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:24:39,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:24:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:24:39,713 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:24:39,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:39,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:39,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:39,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:39,879 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:39,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:39,881 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:39,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:39,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:39,966 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:39,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:39,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:39,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:39,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,068 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,173 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,175 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,289 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,416 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,419 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,551 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,554 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,704 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:40,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:40,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:40,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:40,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:40,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:41,044 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:41,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:41,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 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 52 [2021-05-01 08:24:41,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:41,212 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:41,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:41,215 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:41,400 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:41,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:41,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:41,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:41,585 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:41,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:41,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:41,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:41,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:41,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:41,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:41,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:41,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:41,998 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:41,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:42,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:42,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:42,223 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:42,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:42,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:42,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:42,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:42,440 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:42,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:42,442 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:42,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:42,658 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:42,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:42,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:42,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:42,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:42,880 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:42,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:42,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:42,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:42,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:43,150 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:43,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:43,153 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:43,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:43,420 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:43,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:43,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:43,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:43,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:43,694 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:43,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:43,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:43,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:43,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:43,935 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:43,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:43,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:43,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:44,196 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:44,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:44,199 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:44,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:44,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:44,513 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:44,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:44,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:44,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:44,846 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:44,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:44,848 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:45,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:45,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:45,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:45,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:45,523 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:45,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:45,525 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:45,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:45,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:45,887 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:45,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:45,890 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:45,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:45,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:46,277 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:46,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:46,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:46,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:46,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:46,627 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:46,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:46,629 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:46,946 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:46,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:46,948 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:46,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:47,282 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:47,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:47,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:47,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:47,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:47,650 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:47,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:47,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:47,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:47,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:48,032 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:48,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:48,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:48,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:48,443 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:48,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:48,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:48,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:48,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:48,857 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:48,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:48,860 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:48,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:48,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:49,272 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:49,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:49,275 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:49,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:49,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:49,681 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:49,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:49,684 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:49,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:50,067 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:50,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:50,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:50,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:50,538 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:50,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:50,540 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:50,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:50,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:50,949 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:50,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:50,952 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:50,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:50,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:51,458 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:51,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:51,461 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:51,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:51,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:51,941 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:51,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:51,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:51,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:51,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:52,435 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:52,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:52,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:52,938 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:24:52,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:24:52,940 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:24:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:24:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:24:53,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:24:53,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:24:53,520 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:24:53,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637048423] [2021-05-01 08:24:53,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1637048423] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:24:53,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:24:53,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2021-05-01 08:24:53,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536748817] [2021-05-01 08:24:53,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-01 08:24:53,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:24:53,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-01 08:24:53,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1338, Invalid=1854, Unknown=0, NotChecked=0, Total=3192 [2021-05-01 08:24:53,521 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 08:25:10,262 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:25:10,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:25:10,830 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2021-05-01 08:25:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-01 08:25:10,835 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 08:25:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:25:10,835 INFO L225 Difference]: With dead ends: 67 [2021-05-01 08:25:10,835 INFO L226 Difference]: Without dead ends: 62 [2021-05-01 08:25:10,836 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1426 ImplicationChecksByTransitivity, 29517.5ms TimeCoverageRelationStatistics Valid=3953, Invalid=7819, Unknown=0, NotChecked=0, Total=11772 [2021-05-01 08:25:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-05-01 08:25:10,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-05-01 08:25:10,903 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 08:25:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2021-05-01 08:25:10,904 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2021-05-01 08:25:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:25:10,904 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2021-05-01 08:25:10,904 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 08:25:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2021-05-01 08:25:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-01 08:25:10,904 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:25:10,904 INFO L519 BasicCegarLoop]: trace histogram [49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:25:10,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-05-01 08:25:10,904 INFO L428 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:25:10,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:25:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash -588095994, now seen corresponding path program 49 times [2021-05-01 08:25:10,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:25:10,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912511215] [2021-05-01 08:25:10,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:25:10,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:25:10,915 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1328 v_main_~n~0_54) (< 0 v_main_~n~0_54)) InVars {main_~n~0=v_main_~n~0_54, main_~j~0=v_main_~j~0_1328} OutVars{main_~n~0=v_main_~n~0_54, main_~j~0=v_main_~j~0_1328} AuxVars[] AssignedVars[] [2021-05-01 08:25:10,918 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:25:10,927 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,936 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,944 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,952 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,958 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,967 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,977 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,978 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,985 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:10,993 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:10,994 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:25:11,001 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,008 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,016 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,023 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:11,033 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,042 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,043 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:25:11,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:25:11,135 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:25:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:11,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:11,149 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:25:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:25:11,176 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:25:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:25:11,220 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:25:11,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:25:11,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:11,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:11,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:11,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:25:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:11,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:11,348 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 08:25:11,350 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:25:11,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:11,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:25:11,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:25:11,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:11,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:11,541 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:11,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:11,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:11,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:11,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:11,644 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:11,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:11,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:11,747 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:11,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:11,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:11,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:11,864 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:11,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:11,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:11,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:11,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:12,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:12,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:12,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:12,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:12,152 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:12,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:12,165 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:12,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:12,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:12,321 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:12,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:12,324 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:12,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:12,485 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:12,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:12,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:12,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:12,676 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:12,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:12,679 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:12,897 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:12,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:12,900 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:12,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:13,110 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:13,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:13,113 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:13,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:13,333 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:13,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:13,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:13,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:13,579 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:13,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:13,582 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:13,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:13,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:13,844 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:13,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:13,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:14,131 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:14,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:14,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:14,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:14,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:14,427 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:14,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:14,430 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:14,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:14,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:14,747 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:14,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:14,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:14,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:14,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:15,070 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:15,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:15,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:15,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:15,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:15,418 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:15,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:15,421 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:15,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:15,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:15,766 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:15,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:15,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:15,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:15,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:16,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:16,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:16,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:16,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:16,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:16,473 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:16,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:16,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:16,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:16,843 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:16,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:16,845 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:16,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:17,206 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:17,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:17,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:17,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:17,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:17,621 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:17,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:17,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:17,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:17,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:18,025 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:18,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:18,028 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:18,491 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:18,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:18,494 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:18,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:18,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:18,929 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:18,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:18,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:18,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:18,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:19,360 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:19,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:19,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:19,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:19,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:19,786 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:19,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:19,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:19,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:19,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:20,295 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:20,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:20,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:20,869 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:20,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:20,872 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:21,416 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:21,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:21,419 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:21,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:21,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:21,941 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:21,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:21,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:21,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:21,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:22,470 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:22,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:22,472 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:22,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:22,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:23,028 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:23,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:23,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:23,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:23,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:23,631 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:23,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:23,634 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:24,234 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:24,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:24,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:24,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:24,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:24,813 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:24,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:24,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:24,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:24,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:25,437 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:25,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:25,440 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:26,077 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:26,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:26,080 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:26,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:26,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:26,694 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:26,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:26,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:26,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:26,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:27,319 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:27,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:27,322 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:27,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:27,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:27,926 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:27,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:27,929 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:27,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:27,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:28,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:28,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:28,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:28,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:29,229 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:29,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:29,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:29,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:29,927 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:29,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:29,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:29,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:29,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:30,660 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:25:30,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:30,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:25:30,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:25:30,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:25:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:31,378 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:25:31,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912511215] [2021-05-01 08:25:31,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [912511215] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:25:31,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:25:31,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-05-01 08:25:31,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533605708] [2021-05-01 08:25:31,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-05-01 08:25:31,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:25:31,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-05-01 08:25:31,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1341, Invalid=1965, Unknown=0, NotChecked=0, Total=3306 [2021-05-01 08:25:31,379 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 08:25:31,743 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:25:53,410 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:25:53,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:25:53,822 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2021-05-01 08:25:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-01 08:25:53,825 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 08:25:53,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:25:53,825 INFO L225 Difference]: With dead ends: 68 [2021-05-01 08:25:53,825 INFO L226 Difference]: Without dead ends: 63 [2021-05-01 08:25:53,826 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1480 ImplicationChecksByTransitivity, 41477.0ms TimeCoverageRelationStatistics Valid=4010, Invalid=8200, Unknown=0, NotChecked=0, Total=12210 [2021-05-01 08:25:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-05-01 08:25:53,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-05-01 08:25:53,891 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 08:25:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2021-05-01 08:25:53,891 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2021-05-01 08:25:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:25:53,891 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2021-05-01 08:25:53,891 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 08:25:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2021-05-01 08:25:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-05-01 08:25:53,892 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:25:53,892 INFO L519 BasicCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:25:53,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-05-01 08:25:53,892 INFO L428 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:25:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:25:53,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1015717800, now seen corresponding path program 50 times [2021-05-01 08:25:53,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:25:53,892 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364021474] [2021-05-01 08:25:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:25:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:25:53,902 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_55) (< v_main_~j~0_1380 v_main_~n~0_55)) InVars {main_~n~0=v_main_~n~0_55, main_~j~0=v_main_~j~0_1380} OutVars{main_~n~0=v_main_~n~0_55, main_~j~0=v_main_~j~0_1380} AuxVars[] AssignedVars[] [2021-05-01 08:25:53,904 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:25:53,906 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,912 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,918 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:53,919 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:25:53,926 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,931 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,936 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,942 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,947 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:25:53,954 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,960 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,966 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,973 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,978 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,984 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,990 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,996 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:53,997 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:25:54,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:25:54,074 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:25:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:54,084 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:25:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:25:54,106 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:25:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:25:54,151 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:25:54,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:25:54,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:54,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:25:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:54,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:25:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:25:54,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:25:54,267 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 08:25:54,269 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:25:54,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:25:54,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:25:54,349 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:25:54,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:54,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:25:54,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,432 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:54,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:54,511 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:54,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:54,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:54,605 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:54,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,608 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:54,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:54,701 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:54,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,703 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:54,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:54,801 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:54,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,804 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:54,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:54,913 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:54,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:54,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:54,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,031 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,033 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,149 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,431 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,583 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:55,911 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:55,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:55,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:55,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:55,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:56,099 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:56,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:56,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:56,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:56,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:56,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:56,294 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:56,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:56,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:56,486 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:56,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:56,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:56,664 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:56,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:56,666 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:56,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:56,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:56,874 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:56,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:56,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:57,091 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:57,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:57,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:57,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:57,309 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:57,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:57,311 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:57,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:57,511 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:57,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:57,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:57,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:57,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:57,744 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:57,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:57,746 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:57,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:57,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:57,963 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:57,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:57,965 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:57,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:57,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:58,224 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:58,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:58,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:58,474 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:58,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:58,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:58,738 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:58,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:58,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:58,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:58,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:58,989 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:58,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:58,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:58,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:59,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:59,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:59,234 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:59,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:59,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:59,512 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:59,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:59,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:59,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:59,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:25:59,819 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:25:59,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:25:59,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:25:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:25:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:00,121 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:00,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:00,124 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:00,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:00,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:00,468 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:00,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:00,470 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:00,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:00,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:00,799 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:00,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:00,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:00,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:00,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:01,134 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:01,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:01,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:01,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:01,456 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:01,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:01,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:01,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:01,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:01,837 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:01,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:01,840 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:01,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:01,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:02,227 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:02,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:02,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:02,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:02,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:02,581 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:02,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:02,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:02,935 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:02,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:02,937 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:02,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:02,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:03,320 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:03,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:03,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:03,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:03,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:03,737 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:03,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:03,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:04,163 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:04,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:04,165 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:04,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:04,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:04,604 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:04,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:04,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:05,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:05,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:05,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:05,428 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:05,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:05,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:05,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:05,878 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:05,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:05,880 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:05,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:06,363 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:06,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:06,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:06,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:06,814 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:06,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:06,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:06,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:06,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:07,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:26:07,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:07,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:26:07,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:26:07,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:26:07,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:07,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:07,835 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:26:07,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364021474] [2021-05-01 08:26:07,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1364021474] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:26:07,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:26:07,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2021-05-01 08:26:07,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699282617] [2021-05-01 08:26:07,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-01 08:26:07,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:26:07,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-01 08:26:07,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1443, Invalid=1979, Unknown=0, NotChecked=0, Total=3422 [2021-05-01 08:26:07,836 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 08:26:24,315 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:26:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:26:24,840 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2021-05-01 08:26:24,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-01 08:26:24,843 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 08:26:24,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:26:24,844 INFO L225 Difference]: With dead ends: 69 [2021-05-01 08:26:24,844 INFO L226 Difference]: Without dead ends: 64 [2021-05-01 08:26:24,844 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1535 ImplicationChecksByTransitivity, 28984.1ms TimeCoverageRelationStatistics Valid=4266, Invalid=8390, Unknown=0, NotChecked=0, Total=12656 [2021-05-01 08:26:24,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-05-01 08:26:24,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-05-01 08:26:24,911 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 08:26:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2021-05-01 08:26:24,911 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2021-05-01 08:26:24,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:26:24,911 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2021-05-01 08:26:24,911 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 08:26:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2021-05-01 08:26:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-01 08:26:24,912 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:26:24,912 INFO L519 BasicCegarLoop]: trace histogram [51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:26:24,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-05-01 08:26:24,912 INFO L428 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:26:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:26:24,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1387091898, now seen corresponding path program 51 times [2021-05-01 08:26:24,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:26:24,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109672743] [2021-05-01 08:26:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:26:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:26:24,920 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1433 v_main_~n~0_56) (< 0 v_main_~n~0_56)) InVars {main_~n~0=v_main_~n~0_56, main_~j~0=v_main_~j~0_1433} OutVars{main_~n~0=v_main_~n~0_56, main_~j~0=v_main_~j~0_1433} AuxVars[] AssignedVars[] [2021-05-01 08:26:24,922 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:26:24,930 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,938 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,945 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,951 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,959 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,964 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,972 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,973 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,979 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:24,986 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:26:24,987 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:26:24,993 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:26:24,999 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,007 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,015 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,022 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,029 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,030 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:26:25,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:26:25,108 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:26:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:26:25,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:25,121 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:26:25,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:26:25,147 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:26:25,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:26:25,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:26:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:26:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:26:25,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:26:25,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:25,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:26:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:26:25,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:25,306 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 08:26:25,307 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:26:25,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:26:25,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:26:25,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:25,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:25,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:25,487 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:25,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,489 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:25,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:25,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:25,599 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:25,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:25,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:25,727 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:25,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:25,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:25,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:25,854 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:25,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:25,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:25,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:25,997 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:25,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:25,999 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:26,156 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:26,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:26,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:26,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:26,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:26,322 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:26,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:26,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:26,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:26,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:26,494 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:26,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:26,496 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:26,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:26,676 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:26,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:26,679 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:26,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:26,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:26,881 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:26,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:26,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:26,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:27,086 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:27,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:27,089 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:27,308 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:27,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:27,311 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:27,549 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:27,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:27,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:27,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:27,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:27,797 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:27,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:27,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:28,044 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:28,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:28,047 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:28,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:28,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:28,325 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:28,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:28,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:28,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:28,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:28,613 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:28,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:28,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:28,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:28,917 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:28,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:28,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:28,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:29,225 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:29,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:29,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:29,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:29,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:29,548 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:29,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:29,552 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:29,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:29,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:29,907 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:29,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:29,909 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:29,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:29,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:30,267 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:30,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:30,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:30,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:30,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:30,602 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:30,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:30,605 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:30,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:30,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:30,983 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:30,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:31,362 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:31,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:31,364 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:31,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:31,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:31,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:31,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:31,751 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:31,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:31,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:32,136 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:32,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:32,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:32,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:32,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:32,544 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:32,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:32,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:32,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:32,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:32,976 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:32,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:33,387 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:33,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:33,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:33,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:33,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:33,814 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:33,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:33,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:33,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:34,267 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:34,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:34,270 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:34,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:34,738 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:34,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:34,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:34,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:34,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:35,181 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:35,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:35,183 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:35,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:35,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:35,650 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:35,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:35,652 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:35,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:35,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:36,131 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:36,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:36,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:36,618 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:36,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:36,620 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:37,147 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:37,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:37,150 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:37,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:37,676 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:37,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:37,678 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:37,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:37,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:38,205 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:38,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:38,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:38,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:38,778 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:38,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:38,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:38,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:39,337 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:39,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:39,339 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:39,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:39,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:39,914 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:39,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:39,916 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:39,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:39,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:40,540 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:40,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:40,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:41,135 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:41,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:41,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:41,736 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:41,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:41,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:41,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:42,385 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:42,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:42,387 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:42,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:42,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:43,054 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:43,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:43,056 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:43,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:43,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:43,713 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:43,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:43,715 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:43,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:44,411 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:26:44,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:26:44,414 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:26:44,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:26:44,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:26:45,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:26:45,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:26:45,087 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:26:45,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109672743] [2021-05-01 08:26:45,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [109672743] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:26:45,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:26:45,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [] total 58 [2021-05-01 08:26:45,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335632349] [2021-05-01 08:26:45,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-05-01 08:26:45,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:26:45,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-05-01 08:26:45,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1497, Invalid=2043, Unknown=0, NotChecked=0, Total=3540 [2021-05-01 08:26:45,088 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 08:26:45,670 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-05-01 08:27:08,595 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2021-05-01 08:27:09,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:27:09,136 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2021-05-01 08:27:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-01 08:27:09,139 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 08:27:09,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:27:09,140 INFO L225 Difference]: With dead ends: 70 [2021-05-01 08:27:09,140 INFO L226 Difference]: Without dead ends: 65 [2021-05-01 08:27:09,141 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1591 ImplicationChecksByTransitivity, 42078.7ms TimeCoverageRelationStatistics Valid=4427, Invalid=8683, Unknown=0, NotChecked=0, Total=13110 [2021-05-01 08:27:09,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-01 08:27:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-05-01 08:27:09,211 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 08:27:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2021-05-01 08:27:09,211 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2021-05-01 08:27:09,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:27:09,211 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2021-05-01 08:27:09,211 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 08:27:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2021-05-01 08:27:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-05-01 08:27:09,212 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:27:09,212 INFO L519 BasicCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:27:09,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-05-01 08:27:09,212 INFO L428 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:27:09,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:27:09,212 INFO L82 PathProgramCache]: Analyzing trace with hash -14787048, now seen corresponding path program 52 times [2021-05-01 08:27:09,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:27:09,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076549654] [2021-05-01 08:27:09,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:27:09,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:27:09,224 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_57) (< v_main_~j~0_1487 v_main_~n~0_57)) InVars {main_~n~0=v_main_~n~0_57, main_~j~0=v_main_~j~0_1487} OutVars{main_~n~0=v_main_~n~0_57, main_~j~0=v_main_~j~0_1487} AuxVars[] AssignedVars[] [2021-05-01 08:27:09,228 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:27:09,230 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,238 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:27:09,243 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,244 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:27:09,249 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:27:09,254 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,260 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,265 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,272 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,279 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,284 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,290 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,295 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,300 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,306 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,313 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,319 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,320 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:27:09,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:27:09,397 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:27:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:27:09,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:09,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:27:09,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:27:09,430 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:27:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:27:09,469 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:27:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:27:09,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:27:09,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:27:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:09,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:27:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:27:09,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:09,582 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 08:27:09,583 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:27:09,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:09,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:27:09,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:27:09,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:09,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:09,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:09,774 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:09,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:09,777 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:09,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:09,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:09,870 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:09,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:09,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:09,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:09,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:09,977 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:09,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:09,980 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:09,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:10,091 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:10,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:10,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:10,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:10,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:10,229 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:10,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:10,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:10,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:10,373 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:10,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:10,375 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:10,526 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:10,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:10,529 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:10,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:10,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:10,699 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:10,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:10,702 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:10,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:10,874 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:10,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:10,877 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:10,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:11,067 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:11,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:11,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:11,272 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:11,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:11,275 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:11,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:11,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:11,495 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:11,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:11,497 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:11,718 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:11,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:11,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:11,954 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:11,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:11,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:12,198 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:12,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:12,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:12,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:12,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:12,462 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:12,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:12,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:12,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:12,730 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:12,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:12,732 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:12,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:12,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:13,028 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:13,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:13,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:13,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:13,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:13,327 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:13,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:13,330 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:13,640 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:13,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:13,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:13,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:13,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:13,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:13,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:13,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:14,314 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:14,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:14,317 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:14,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:14,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:14,667 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:14,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:14,670 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:14,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:14,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:15,043 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:15,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:15,046 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:15,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:15,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:15,425 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:15,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:15,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:15,803 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:15,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:15,806 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:15,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:16,192 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:16,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:16,195 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:16,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:16,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:16,596 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:16,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:16,598 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:16,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:16,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:17,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:17,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:17,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:17,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:17,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:17,429 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:17,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:17,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:17,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:17,872 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:17,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:17,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:17,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:17,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:18,322 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:18,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:18,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:18,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:18,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:18,776 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:18,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:18,779 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:19,238 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:19,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:19,244 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:19,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:19,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:19,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:19,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:19,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:19,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:19,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:20,207 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:20,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:20,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:20,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:20,718 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:20,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:20,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:21,234 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:21,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:21,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:21,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:21,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:21,769 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:21,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:21,772 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:21,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:21,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:22,314 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:22,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:22,317 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:22,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:22,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:22,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:22,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:22,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:23,437 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:23,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:23,440 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:23,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:24,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:24,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:24,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:24,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:24,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:24,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:24,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:24,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:24,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:25,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:25,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:25,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:25,837 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:25,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:25,840 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:25,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:25,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:26,477 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:26,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:26,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:26,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:26,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:27,121 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:27,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:27,124 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:27,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:27,776 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:27,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:27,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:27,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:28,429 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:28,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:28,432 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:28,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:29,092 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:27:29,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:29,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:27:29,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:27:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:27:29,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:29,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:29,786 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:27:29,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076549654] [2021-05-01 08:27:29,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1076549654] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:27:29,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:27:29,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2021-05-01 08:27:29,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002958045] [2021-05-01 08:27:29,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-05-01 08:27:29,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:27:29,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-05-01 08:27:29,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1500, Invalid=2160, Unknown=0, NotChecked=0, Total=3660 [2021-05-01 08:27:29,787 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 08:27:30,215 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:27:54,558 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:27:55,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:27:55,326 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2021-05-01 08:27:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-05-01 08:27:55,330 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 08:27:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:27:55,330 INFO L225 Difference]: With dead ends: 71 [2021-05-01 08:27:55,330 INFO L226 Difference]: Without dead ends: 66 [2021-05-01 08:27:55,331 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1648 ImplicationChecksByTransitivity, 44074.9ms TimeCoverageRelationStatistics Valid=4487, Invalid=9085, Unknown=0, NotChecked=0, Total=13572 [2021-05-01 08:27:55,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-05-01 08:27:55,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-05-01 08:27:55,403 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 08:27:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2021-05-01 08:27:55,403 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2021-05-01 08:27:55,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:27:55,403 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2021-05-01 08:27:55,403 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 08:27:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2021-05-01 08:27:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-05-01 08:27:55,407 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:27:55,407 INFO L519 BasicCegarLoop]: trace histogram [53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:27:55,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-05-01 08:27:55,407 INFO L428 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:27:55,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:27:55,407 INFO L82 PathProgramCache]: Analyzing trace with hash -423009658, now seen corresponding path program 53 times [2021-05-01 08:27:55,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:27:55,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694640177] [2021-05-01 08:27:55,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:27:55,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:27:55,417 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_58) (< v_main_~j~0_1542 v_main_~n~0_58)) InVars {main_~n~0=v_main_~n~0_58, main_~j~0=v_main_~j~0_1542} OutVars{main_~n~0=v_main_~n~0_58, main_~j~0=v_main_~j~0_1542} AuxVars[] AssignedVars[] [2021-05-01 08:27:55,419 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:27:55,421 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,430 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:27:55,437 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,438 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:27:55,445 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,452 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,459 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,465 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,471 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:27:55,479 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,487 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,494 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,499 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,507 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,514 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,520 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,526 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,528 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:27:55,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:27:55,616 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:27:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:27:55,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:55,626 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:27:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:27:55,656 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:27:55,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:27:55,718 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:27:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:27:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:27:55,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:27:55,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:55,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:27:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:27:55,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:27:55,843 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 08:27:55,845 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:27:55,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:55,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:27:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:27:55,932 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:27:55,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:55,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:55,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:55,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:27:56,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,029 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,115 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,211 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,213 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,324 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,440 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,443 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,560 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,563 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,687 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,689 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,827 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,830 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:56,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:56,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:56,975 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:56,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:57,115 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:57,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:57,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:57,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:57,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:57,279 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:57,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:57,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:57,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:57,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:57,460 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:57,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:57,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:57,636 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:57,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:57,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:57,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:57,819 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:57,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:57,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:58,022 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:58,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:58,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:58,224 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:58,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:58,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:58,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:58,451 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:58,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:58,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:58,668 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:58,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:58,671 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:58,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:58,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:58,899 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:58,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:58,901 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:58,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:59,139 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:59,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:59,142 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:59,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:59,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:59,403 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:59,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:59,406 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:59,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:59,659 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:59,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:59,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:59,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:27:59,916 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:27:59,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:27:59,918 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:27:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:27:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:00,199 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:00,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:00,201 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:00,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:00,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:00,493 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:00,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:00,495 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:00,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:00,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:00,777 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:00,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:00,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:00,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:00,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:01,063 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:01,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:01,065 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:01,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:01,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:01,362 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:01,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:01,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:01,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:01,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:01,662 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:01,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:01,664 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:01,967 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:01,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:01,970 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:01,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:02,314 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:02,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:02,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:02,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:02,675 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:02,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:02,677 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:02,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:03,042 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:03,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:03,045 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:03,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:03,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:03,428 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:03,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:03,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:03,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:03,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:03,799 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:03,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:03,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:04,187 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:04,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:04,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:04,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:04,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:04,595 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:04,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:04,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:04,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:05,020 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:05,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:05,022 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:05,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:05,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:05,433 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:05,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:05,435 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:05,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:05,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:05,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:05,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:05,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:06,272 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:06,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:06,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:06,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:06,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:06,723 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:06,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:06,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:06,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:06,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:07,187 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:07,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:07,189 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:07,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:07,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:07,631 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:07,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:07,633 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:07,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:07,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:08,095 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:08,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:08,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:08,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:08,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:08,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:08,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:08,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:08,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:09,030 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:09,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:09,032 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:09,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:09,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:09,519 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:09,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:09,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:09,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:09,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:10,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:10,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:10,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:10,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:10,562 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:10,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:10,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:10,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:10,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:11,100 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:11,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:11,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:11,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:11,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:11,650 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:28:11,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:11,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:28:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:28:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:28:12,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:12,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:28:12,187 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:28:12,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694640177] [2021-05-01 08:28:12,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1694640177] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:28:12,188 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:28:12,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2021-05-01 08:28:12,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685455679] [2021-05-01 08:28:12,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-05-01 08:28:12,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:28:12,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-05-01 08:28:12,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1608, Invalid=2174, Unknown=0, NotChecked=0, Total=3782 [2021-05-01 08:28:12,188 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 08:28:31,773 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:28:32,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:28:32,390 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2021-05-01 08:28:32,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-05-01 08:28:32,394 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 08:28:32,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:28:32,394 INFO L225 Difference]: With dead ends: 72 [2021-05-01 08:28:32,394 INFO L226 Difference]: Without dead ends: 67 [2021-05-01 08:28:32,395 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1706 ImplicationChecksByTransitivity, 34770.6ms TimeCoverageRelationStatistics Valid=4758, Invalid=9284, Unknown=0, NotChecked=0, Total=14042 [2021-05-01 08:28:32,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-05-01 08:28:32,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-05-01 08:28:32,469 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 08:28:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2021-05-01 08:28:32,469 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2021-05-01 08:28:32,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:28:32,469 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2021-05-01 08:28:32,469 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 08:28:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2021-05-01 08:28:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-05-01 08:28:32,469 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:28:32,470 INFO L519 BasicCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:28:32,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-05-01 08:28:32,470 INFO L428 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:28:32,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:28:32,470 INFO L82 PathProgramCache]: Analyzing trace with hash -193008680, now seen corresponding path program 54 times [2021-05-01 08:28:32,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:28:32,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362535625] [2021-05-01 08:28:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:28:32,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:28:32,478 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1598 v_main_~n~0_59) (< 0 v_main_~n~0_59)) InVars {main_~n~0=v_main_~n~0_59, main_~j~0=v_main_~j~0_1598} OutVars{main_~n~0=v_main_~n~0_59, main_~j~0=v_main_~j~0_1598} AuxVars[] AssignedVars[] [2021-05-01 08:28:32,481 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:28:32,491 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,500 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,509 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,515 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,523 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,530 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,539 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,541 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,547 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,555 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:28:32,557 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:28:32,564 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,571 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:28:32,577 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,584 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,592 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,601 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,602 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:28:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:28:32,698 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:28:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:28:32,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:28:32,713 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:28:32,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:28:32,745 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-05-01 08:28:32,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:28:32,798 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:28:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:28:32,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:28:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:28:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:28:32,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:28:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:28:32,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:28:32,933 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 08:28:32,934 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:28:32,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:32,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:32,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:28:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:28:33,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:33,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:33,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:33,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:33,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:33,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:33,244 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:33,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:33,368 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:33,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,371 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:33,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:33,503 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:33,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,506 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:33,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:33,653 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:33,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,656 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:33,823 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:33,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:33,826 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:34,004 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:34,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:34,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:34,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:34,191 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:34,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:34,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:34,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:34,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:34,392 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:34,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:34,394 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:34,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:34,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:34,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:34,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:34,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:34,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:34,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:34,851 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:34,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:34,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:34,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:34,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:35,100 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:35,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:35,103 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:35,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:35,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:35,362 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:35,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:35,365 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:35,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:35,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:35,635 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:35,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:35,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:35,928 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:35,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:35,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:35,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:36,231 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:36,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:36,234 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:36,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:36,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:36,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:36,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:36,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:36,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:36,859 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:36,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:36,862 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:36,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:37,204 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:37,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:37,207 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:37,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:37,560 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:37,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:37,562 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:37,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:37,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:37,926 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:37,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:37,929 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:37,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:38,306 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:38,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:38,309 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:38,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:38,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:38,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:38,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:38,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:38,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:39,095 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:39,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:39,098 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:39,520 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:39,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:39,523 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:39,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:39,962 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:39,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:39,964 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:39,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:40,432 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:40,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:40,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:40,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:40,907 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:40,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:40,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:40,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:40,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:41,394 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:41,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:41,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:41,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:41,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:41,894 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:41,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:41,897 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:41,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:42,410 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:42,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:42,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:42,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:42,933 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:42,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:42,936 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:42,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:43,486 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:43,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:43,489 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:43,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:44,045 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:44,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:44,048 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:44,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:44,628 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:44,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:44,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:44,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:44,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:45,215 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:45,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:45,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:45,820 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:45,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:45,823 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:45,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:45,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:46,589 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:46,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:46,591 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:46,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:47,195 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:47,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:47,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:47,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:47,811 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:47,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:47,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:47,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:47,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:48,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:48,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:48,447 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:48,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:48,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:49,101 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:49,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:49,104 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:49,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:49,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:49,759 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:49,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:49,762 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:49,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:49,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:50,439 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:50,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:50,442 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:50,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:51,139 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:51,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:51,142 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:51,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:51,820 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:51,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:51,823 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:51,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:52,538 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:52,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:52,541 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:52,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:53,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:53,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:53,282 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:53,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:54,026 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:54,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:54,029 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:54,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:54,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:54,788 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:54,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:54,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:54,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:54,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:55,561 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:55,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:55,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:55,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:55,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:56,349 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:56,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:56,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:56,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:56,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:57,143 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size [2021-05-01 08:28:57,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:28:57,146 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.2 percent of original size [2021-05-01 08:28:57,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-01 08:28:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-05-01 08:28:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:28:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:28:57,959 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:28:57,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362535625] [2021-05-01 08:28:57,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [362535625] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:28:57,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:28:57,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2021-05-01 08:28:57,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512743942] [2021-05-01 08:28:57,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-05-01 08:28:57,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:28:57,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-05-01 08:28:57,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1611, Invalid=2295, Unknown=0, NotChecked=0, Total=3906 [2021-05-01 08:28:57,960 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 08:28:58,559 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-05-01 08:29:27,072 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-05-01 08:29:28,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:29:28,056 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2021-05-01 08:29:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-01 08:29:28,060 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 08:29:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:29:28,061 INFO L225 Difference]: With dead ends: 73 [2021-05-01 08:29:28,061 INFO L226 Difference]: Without dead ends: 68 [2021-05-01 08:29:28,061 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 53033.8ms TimeCoverageRelationStatistics Valid=4820, Invalid=9700, Unknown=0, NotChecked=0, Total=14520 [2021-05-01 08:29:28,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-05-01 08:29:28,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-05-01 08:29:28,137 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 08:29:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2021-05-01 08:29:28,137 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2021-05-01 08:29:28,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:29:28,137 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2021-05-01 08:29:28,137 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 08:29:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2021-05-01 08:29:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-05-01 08:29:28,137 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:29:28,137 INFO L519 BasicCegarLoop]: trace histogram [55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:29:28,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-05-01 08:29:28,138 INFO L428 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:29:28,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:29:28,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1652912954, now seen corresponding path program 55 times [2021-05-01 08:29:28,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:29:28,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715591174] [2021-05-01 08:29:28,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:29:28,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:29:28,147 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1655 v_main_~n~0_60) (< 0 v_main_~n~0_60)) InVars {main_~n~0=v_main_~n~0_60, main_~j~0=v_main_~j~0_1655} OutVars{main_~n~0=v_main_~n~0_60, main_~j~0=v_main_~j~0_1655} AuxVars[] AssignedVars[] [2021-05-01 08:29:28,149 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:29:28,151 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,158 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,167 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:29:28,168 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:29:28,176 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,182 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:29:28,188 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,194 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,203 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,210 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,219 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,225 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,231 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,237 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,245 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,252 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,260 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,262 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:29:28,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:29:28,364 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:29:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:29:28,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:29:28,374 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:29:28,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:29:28,404 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:29:28,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:29:28,466 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:29:28,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:29:28,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:29:28,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:29:28,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:29:28,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:29:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:29:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:29:28,608 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 08:29:28,610 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:29:28,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:28,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:29:28,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:29:28,715 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:29:28,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:28,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:28,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:28,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:28,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:28,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:28,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:28,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:28,912 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:28,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:28,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:28,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:28,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,018 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,020 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,135 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,264 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,266 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,401 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,403 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,539 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,542 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:29,862 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:29,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:29,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:29,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:29,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:30,034 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:30,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:30,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:30,210 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:30,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:30,213 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:30,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:30,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:30,410 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:30,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:30,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:30,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:30,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:30,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:30,622 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:30,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:30,824 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:30,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:30,826 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:30,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:31,058 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:31,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:31,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:31,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:31,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:31,282 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:31,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:31,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:31,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:31,522 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:31,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:31,525 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:31,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:31,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:31,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:31,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:31,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:31,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:31,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:32,035 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:32,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:32,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:32,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:32,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:32,297 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:32,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:32,300 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:32,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:32,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:32,569 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:32,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:32,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:32,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:32,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:32,872 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:32,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:32,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:32,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:32,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:33,177 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:33,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:33,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:33,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:33,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:33,505 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:33,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:33,507 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:33,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:33,800 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:33,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:33,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:33,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:33,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:34,143 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:34,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:34,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:34,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:34,448 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:34,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:34,451 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:34,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:34,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:34,798 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:34,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:34,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:34,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:35,157 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:35,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:35,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:35,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:35,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:35,533 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:35,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:35,536 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:35,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:35,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:35,891 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:35,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:35,894 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:35,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:35,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:36,253 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:36,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:36,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:36,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:36,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:36,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:36,633 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:36,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:36,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:37,034 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:37,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:37,037 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:37,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:37,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:37,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:37,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:37,448 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:37,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:37,864 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:37,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:37,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:37,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:37,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:38,268 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:38,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:38,271 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:38,721 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:38,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:38,723 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:38,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:38,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:39,164 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:39,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:39,167 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:39,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:39,639 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:39,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:39,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:40,078 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:40,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:40,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:40,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:40,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:40,543 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:40,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:40,545 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:40,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:40,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:40,999 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:41,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:41,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:41,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:41,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:41,533 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:41,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:41,536 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:41,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:41,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:42,045 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:42,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:42,047 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:42,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:42,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:42,599 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:42,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:42,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:42,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:43,120 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:43,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:43,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:43,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:43,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:43,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:43,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:43,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:43,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:43,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:44,262 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:44,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:44,264 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:44,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:44,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:44,851 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:44,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:44,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:45,465 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:45,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:45,468 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:45,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:45,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:46,065 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:46,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:46,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:46,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:46,666 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:46,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:46,669 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:46,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:47,303 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:29:47,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:29:47,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:29:47,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:29:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:29:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:29:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:29:47,938 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:29:47,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715591174] [2021-05-01 08:29:47,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [715591174] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:29:47,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:29:47,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2021-05-01 08:29:47,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737862960] [2021-05-01 08:29:47,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-05-01 08:29:47,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:29:47,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-05-01 08:29:47,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1723, Invalid=2309, Unknown=0, NotChecked=0, Total=4032 [2021-05-01 08:29:47,939 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 08:29:48,123 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-01 08:30:10,290 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-05-01 08:30:10,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:30:10,506 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2021-05-01 08:30:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-05-01 08:30:10,511 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 08:30:10,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:30:10,511 INFO L225 Difference]: With dead ends: 74 [2021-05-01 08:30:10,511 INFO L226 Difference]: Without dead ends: 69 [2021-05-01 08:30:10,512 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1825 ImplicationChecksByTransitivity, 40751.4ms TimeCoverageRelationStatistics Valid=5101, Invalid=9905, Unknown=0, NotChecked=0, Total=15006 [2021-05-01 08:30:10,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-05-01 08:30:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-05-01 08:30:10,590 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 08:30:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2021-05-01 08:30:10,590 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2021-05-01 08:30:10,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:30:10,590 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2021-05-01 08:30:10,590 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 08:30:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2021-05-01 08:30:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-01 08:30:10,591 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:30:10,591 INFO L519 BasicCegarLoop]: trace histogram [56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:30:10,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-05-01 08:30:10,591 INFO L428 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:30:10,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:30:10,591 INFO L82 PathProgramCache]: Analyzing trace with hash 334694808, now seen corresponding path program 56 times [2021-05-01 08:30:10,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:30:10,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536167932] [2021-05-01 08:30:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:30:10,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:30:10,601 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< 0 v_main_~n~0_61) (< v_main_~j~0_1713 v_main_~n~0_61)) InVars {main_~n~0=v_main_~n~0_61, main_~j~0=v_main_~j~0_1713} OutVars{main_~n~0=v_main_~n~0_61, main_~j~0=v_main_~j~0_1713} AuxVars[] AssignedVars[] [2021-05-01 08:30:10,603 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:30:10,614 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,624 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,634 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,644 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,652 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,660 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,667 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,668 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,678 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:30:10,685 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,687 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:30:10,694 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,700 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:30:10,708 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,715 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,724 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,733 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,735 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:30:10,839 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-01 08:30:10,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-05-01 08:30:10,845 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:30:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:30:10,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:10,855 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:30:10,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:30:10,887 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-05-01 08:30:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:30:10,953 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-05-01 08:30:10,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:30:10,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:10,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:30:11,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:11,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:30:11,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:11,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:30:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:30:11,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:11,106 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 08:30:11,108 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-05-01 08:30:11,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:11,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:30:11,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-05-01 08:30:11,217 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.8 percent of original size [2021-05-01 08:30:11,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:11,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:11,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:11,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,329 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:11,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:11,435 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:11,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,438 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:11,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:11,549 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:11,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,552 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:11,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:11,673 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:11,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,676 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:11,814 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:11,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:11,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:11,966 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:11,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:11,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:11,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:11,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:12,135 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:12,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:12,138 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:12,299 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:12,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:12,302 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:12,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:12,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:12,471 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:12,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:12,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:12,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:12,656 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:12,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:12,659 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:12,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:12,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:12,854 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:12,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:12,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:13,056 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:13,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:13,059 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:13,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:13,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:13,266 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:13,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:13,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:13,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:13,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:13,492 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:13,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:13,495 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:13,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:13,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:13,725 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:13,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:13,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:13,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:13,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:13,960 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:13,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:13,963 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:13,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:14,209 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:14,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:14,212 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:14,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:14,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:14,461 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:14,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:14,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:14,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:14,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:14,719 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:14,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:14,722 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:14,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:14,981 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:14,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:14,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:14,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:14,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:15,275 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:15,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:15,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:15,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:15,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:15,558 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:15,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:15,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:15,855 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:15,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:15,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:15,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:16,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:16,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:16,156 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:16,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:16,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:16,476 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:16,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:16,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:16,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:16,813 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:16,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:16,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:16,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:16,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:17,143 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:17,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:17,146 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:17,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:17,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:17,507 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:17,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:17,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:17,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:17,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:17,864 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:17,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:17,866 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:17,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:17,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:18,232 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:18,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:18,235 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:18,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:18,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:18,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:19,012 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:19,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:19,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:19,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:19,424 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:19,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:19,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:19,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:19,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:19,820 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:19,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:19,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:19,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:19,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:20,252 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:20,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:20,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:20,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:20,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:20,695 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:20,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:20,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:20,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:21,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:21,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:21,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:21,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:21,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:21,616 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:21,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:21,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:21,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:21,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:22,078 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:22,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:22,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:22,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:22,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:22,585 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:22,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:22,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:22,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:22,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:23,066 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:23,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:23,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:23,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:23,581 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:23,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:23,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:23,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:23,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:24,066 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:24,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:24,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:24,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:24,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:24,616 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:24,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:24,618 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:24,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:25,180 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:25,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:25,183 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:25,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:25,684 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:25,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:25,687 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:26,258 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:26,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:26,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:26,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:26,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:26,798 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:26,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:26,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:26,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:26,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:27,397 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:27,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:27,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:27,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:27,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:28,022 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:28,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:28,025 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:28,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:28,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:28,592 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:28,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:28,595 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:28,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:28,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:29,196 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:29,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:29,199 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:29,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:29,817 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:29,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:29,820 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:29,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:29,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:30,453 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:30,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:30,456 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:30,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:31,123 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.4 percent of original size [2021-05-01 08:30:31,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:31,126 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-05-01 08:30:31,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-05-01 08:30:31,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-05-01 08:30:31,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:31,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:31,852 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 08:30:31,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536167932] [2021-05-01 08:30:31,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1536167932] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 08:30:31,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 08:30:31,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2021-05-01 08:30:31,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238127319] [2021-05-01 08:30:31,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-01 08:30:31,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 08:30:31,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-01 08:30:31,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1782, Invalid=2378, Unknown=0, NotChecked=0, Total=4160 [2021-05-01 08:30:31,853 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 08:30:32,421 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-01 08:30:56,756 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-05-01 08:30:57,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 08:30:57,520 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2021-05-01 08:30:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-01 08:30:57,525 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 08:30:57,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 08:30:57,526 INFO L225 Difference]: With dead ends: 75 [2021-05-01 08:30:57,526 INFO L226 Difference]: Without dead ends: 70 [2021-05-01 08:30:57,526 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 44286.6ms TimeCoverageRelationStatistics Valid=5277, Invalid=10223, Unknown=0, NotChecked=0, Total=15500 [2021-05-01 08:30:57,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-05-01 08:30:57,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-05-01 08:30:57,607 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 08:30:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2021-05-01 08:30:57,607 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2021-05-01 08:30:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 08:30:57,607 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2021-05-01 08:30:57,607 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 08:30:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2021-05-01 08:30:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-05-01 08:30:57,607 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 08:30:57,607 INFO L519 BasicCegarLoop]: trace histogram [57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 08:30:57,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-05-01 08:30:57,608 INFO L428 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 08:30:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 08:30:57,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1820993286, now seen corresponding path program 57 times [2021-05-01 08:30:57,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 08:30:57,608 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040628718] [2021-05-01 08:30:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 08:30:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 08:30:57,618 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< v_main_~j~0_1772 v_main_~n~0_62) (< 0 v_main_~n~0_62)) InVars {main_~n~0=v_main_~n~0_62, main_~j~0=v_main_~j~0_1772} OutVars{main_~n~0=v_main_~n~0_62, main_~j~0=v_main_~j~0_1772} AuxVars[] AssignedVars[] [2021-05-01 08:30:57,621 WARN L240 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size [2021-05-01 08:30:57,632 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,643 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,654 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,665 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,674 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,683 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,691 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,693 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,701 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,711 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:30:57,713 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 08:30:57,720 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 08:30:57,731 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,741 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,752 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,763 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,773 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,775 WARN L245 tifierPushTermWalker]: treesize reduction 19, result has 77.4 percent of original size 65 [2021-05-01 08:30:57,891 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-01 08:30:57,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-05-01 08:30:57,896 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 08:30:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:30:57,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:57,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:57,907 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-05-01 08:30:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 08:30:57,942 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-05-01 08:30:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-05-01 08:30:58,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-05-01 08:30:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-05-01 08:30:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:30:58,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 08:30:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 08:30:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 08:30:58,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 08:30:58,182 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 08:30:58,184 INFO L142 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size [2021-05-01 08:30:58,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:58,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-01 08:30:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-05-01 08:30:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:58,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 08:30:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:58,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:58,441 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:58,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:58,444 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:58,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:58,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:58,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:58,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:58,730 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:58,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:58,733 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:58,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:58,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:58,903 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:58,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:58,906 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:58,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:59,087 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:59,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:59,090 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:59,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:59,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:59,288 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:59,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:59,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:59,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:59,498 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:59,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:59,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:59,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:59,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:59,729 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:59,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:59,732 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:30:59,976 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:30:59,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:30:59,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:30:59,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:30:59,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:00,230 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:00,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:00,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:00,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:00,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:00,507 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:00,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:00,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:00,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:00,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:00,804 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:00,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:00,807 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:00,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:00,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:01,098 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:01,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:01,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:01,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:01,424 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:01,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:01,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:01,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:01,782 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:01,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:01,785 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:01,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:01,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:02,128 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:02,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:02,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:02,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:02,491 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:02,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:02,494 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:02,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:02,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:02,888 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:02,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:02,891 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:02,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:02,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:03,298 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:03,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:03,301 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:03,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:03,711 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:03,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:03,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:03,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:03,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:04,164 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:04,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:04,167 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:04,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:04,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:04,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:04,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:04,622 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:05,099 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:05,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:05,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:05,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:05,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:05,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:05,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:05,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:05,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:05,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:06,075 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:06,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:06,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:06,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:06,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:06,590 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:06,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:06,593 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:07,102 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:07,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:07,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:07,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:07,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:07,653 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:07,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:07,656 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:07,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:07,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:08,225 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:08,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:08,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:08,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:08,795 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:08,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:08,798 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:08,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:09,388 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:09,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:09,391 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:09,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:09,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:09,974 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:09,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:09,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:09,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:09,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:10,598 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:10,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:10,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:10,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:10,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:11,257 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:11,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:11,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:11,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:11,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:11,908 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:11,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:11,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:11,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:12,582 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:12,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:12,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:12,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:12,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:13,237 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:13,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:13,240 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:13,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:13,924 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:13,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:13,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:13,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:14,611 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:14,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:14,614 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:14,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:14,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:15,348 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:15,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:15,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:15,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-05-01 08:31:16,065 INFO L142 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-05-01 08:31:16,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 08:31:16,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-05-01 08:31:16,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-01 08:31:16,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91