/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:32:39,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:32:39,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:32:39,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 01:32:39,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:32:39,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:32:39,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:32:39,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:32:39,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:32:39,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:32:39,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:32:39,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:32:39,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:32:39,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:32:39,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:32:39,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:32:39,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 01:32:39,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:32:39,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:32:39,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:32:39,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:32:39,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:32:39,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:32:39,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:32:39,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:32:39,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:32:39,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:32:39,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:32:39,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:32:39,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:32:39,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:32:39,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:32:39,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:32:39,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:32:39,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:32:39,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:32:39,220 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:32:39,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:32:39,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:32:39,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:32:39,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:32:39,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:32:39,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:32:39,221 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:32:39,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:32:39,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:32:39,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:32:39,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:32:39,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:32:39,667 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:32:39,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-22 01:32:39,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19a1fbb0/cc2a09a1b75e475591ce4dca6bfd0f9c/FLAG53dc38d58 [2021-02-22 01:32:40,406 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:32:40,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-22 01:32:40,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19a1fbb0/cc2a09a1b75e475591ce4dca6bfd0f9c/FLAG53dc38d58 [2021-02-22 01:32:40,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19a1fbb0/cc2a09a1b75e475591ce4dca6bfd0f9c [2021-02-22 01:32:40,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:32:40,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:32:40,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:32:40,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:32:40,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:32:40,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:32:40" (1/1) ... [2021-02-22 01:32:40,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48199d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:40, skipping insertion in model container [2021-02-22 01:32:40,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:32:40" (1/1) ... [2021-02-22 01:32:40,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:32:40,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:32:40,961 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-22 01:32:40,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:32:40,977 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:32:40,996 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-22 01:32:40,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:32:41,014 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:32:41,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41 WrapperNode [2021-02-22 01:32:41,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:32:41,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:32:41,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:32:41,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:32:41,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (1/1) ... [2021-02-22 01:32:41,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:32:41,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:32:41,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:32:41,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:32:41,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (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 [2021-02-22 01:32:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:32:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:32:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:32:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-02-22 01:32:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:32:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:32:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:32:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:32:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:32:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:32:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-02-22 01:32:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:32:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:32:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:32:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:32:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:32:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:32:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:32:41,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:32:41,548 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 01:32:41,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:32:41 BoogieIcfgContainer [2021-02-22 01:32:41,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:32:41,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:32:41,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:32:41,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:32:41,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:32:40" (1/3) ... [2021-02-22 01:32:41,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46db4a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:32:41, skipping insertion in model container [2021-02-22 01:32:41,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:32:41" (2/3) ... [2021-02-22 01:32:41,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46db4a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:32:41, skipping insertion in model container [2021-02-22 01:32:41,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:32:41" (3/3) ... [2021-02-22 01:32:41,578 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2021-02-22 01:32:41,596 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:32:41,611 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:32:41,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:32:41,725 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:32:41,725 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:32:41,725 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:32:41,725 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:32:41,726 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:32:41,726 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:32:41,726 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:32:41,726 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:32:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-02-22 01:32:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-22 01:32:41,762 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:41,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:41,763 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:41,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:41,771 INFO L82 PathProgramCache]: Analyzing trace with hash 305373308, now seen corresponding path program 1 times [2021-02-22 01:32:41,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:41,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003514189] [2021-02-22 01:32:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:41,895 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:42,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:42,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:42,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:42,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:42,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:42,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:42,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:32:42,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003514189] [2021-02-22 01:32:42,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:42,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 01:32:42,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478112189] [2021-02-22 01:32:42,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 01:32:42,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:42,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 01:32:42,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-22 01:32:42,348 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 6 states. [2021-02-22 01:32:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:42,819 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-02-22 01:32:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-22 01:32:42,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-22 01:32:42,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:42,834 INFO L225 Difference]: With dead ends: 97 [2021-02-22 01:32:42,834 INFO L226 Difference]: Without dead ends: 53 [2021-02-22 01:32:42,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:32:42,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-02-22 01:32:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-02-22 01:32:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-22 01:32:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2021-02-22 01:32:42,910 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 32 [2021-02-22 01:32:42,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:42,911 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2021-02-22 01:32:42,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 01:32:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-02-22 01:32:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-22 01:32:42,915 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:42,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:42,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:32:42,919 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:42,920 INFO L82 PathProgramCache]: Analyzing trace with hash -40053035, now seen corresponding path program 1 times [2021-02-22 01:32:42,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:42,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949209205] [2021-02-22 01:32:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:42,938 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:42,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:42,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:42,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:42,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-22 01:32:43,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949209205] [2021-02-22 01:32:43,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:43,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 01:32:43,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194407314] [2021-02-22 01:32:43,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 01:32:43,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:43,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 01:32:43,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-22 01:32:43,075 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2021-02-22 01:32:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:43,376 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2021-02-22 01:32:43,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-22 01:32:43,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2021-02-22 01:32:43,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:43,390 INFO L225 Difference]: With dead ends: 91 [2021-02-22 01:32:43,394 INFO L226 Difference]: Without dead ends: 55 [2021-02-22 01:32:43,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:32:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-22 01:32:43,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-22 01:32:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-22 01:32:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2021-02-22 01:32:43,439 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 42 [2021-02-22 01:32:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:43,440 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2021-02-22 01:32:43,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 01:32:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-02-22 01:32:43,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-22 01:32:43,447 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:43,447 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:43,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:32:43,447 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:43,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:43,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1101309652, now seen corresponding path program 1 times [2021-02-22 01:32:43,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:43,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335302052] [2021-02-22 01:32:43,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:43,452 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:43,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:43,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:43,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-02-22 01:32:43,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335302052] [2021-02-22 01:32:43,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:43,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-22 01:32:43,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392950324] [2021-02-22 01:32:43,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-22 01:32:43,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:43,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-22 01:32:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-22 01:32:43,697 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 7 states. [2021-02-22 01:32:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:44,128 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2021-02-22 01:32:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-22 01:32:44,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2021-02-22 01:32:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:44,136 INFO L225 Difference]: With dead ends: 83 [2021-02-22 01:32:44,136 INFO L226 Difference]: Without dead ends: 77 [2021-02-22 01:32:44,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-22 01:32:44,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-22 01:32:44,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-22 01:32:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-22 01:32:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-02-22 01:32:44,176 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 61 [2021-02-22 01:32:44,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:44,177 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-02-22 01:32:44,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-22 01:32:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-02-22 01:32:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-02-22 01:32:44,180 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:44,180 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:44,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:32:44,181 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:44,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:44,182 INFO L82 PathProgramCache]: Analyzing trace with hash 697726399, now seen corresponding path program 2 times [2021-02-22 01:32:44,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:44,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122184671] [2021-02-22 01:32:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:44,185 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:44,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:44,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:44,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:32:44,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:44,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:32:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:44,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:44,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-02-22 01:32:44,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122184671] [2021-02-22 01:32:44,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:44,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 01:32:44,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546863657] [2021-02-22 01:32:44,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 01:32:44,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:44,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 01:32:44,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 01:32:44,567 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand 8 states. [2021-02-22 01:32:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:45,081 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-02-22 01:32:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-22 01:32:45,081 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2021-02-22 01:32:45,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:45,085 INFO L225 Difference]: With dead ends: 115 [2021-02-22 01:32:45,085 INFO L226 Difference]: Without dead ends: 109 [2021-02-22 01:32:45,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-22 01:32:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-22 01:32:45,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-02-22 01:32:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-22 01:32:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2021-02-22 01:32:45,123 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 80 [2021-02-22 01:32:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:45,124 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2021-02-22 01:32:45,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 01:32:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2021-02-22 01:32:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-22 01:32:45,130 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:45,131 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:45,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:32:45,131 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:45,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:45,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1386789945, now seen corresponding path program 3 times [2021-02-22 01:32:45,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:45,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797653588] [2021-02-22 01:32:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:45,135 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,429 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:32:45,430 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:32:45,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:32:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:32:45,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 01:32:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:45,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:45,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:45,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-22 01:32:45,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797653588] [2021-02-22 01:32:45,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:45,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-22 01:32:45,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051232441] [2021-02-22 01:32:45,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-22 01:32:45,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:45,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-22 01:32:45,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-02-22 01:32:45,609 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand 16 states. [2021-02-22 01:32:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:48,243 INFO L93 Difference]: Finished difference Result 399 states and 948 transitions. [2021-02-22 01:32:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-22 01:32:48,244 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 129 [2021-02-22 01:32:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:48,256 INFO L225 Difference]: With dead ends: 399 [2021-02-22 01:32:48,256 INFO L226 Difference]: Without dead ends: 311 [2021-02-22 01:32:48,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=482, Invalid=1680, Unknown=0, NotChecked=0, Total=2162 [2021-02-22 01:32:48,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-02-22 01:32:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 176. [2021-02-22 01:32:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-22 01:32:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 334 transitions. [2021-02-22 01:32:48,345 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 334 transitions. Word has length 129 [2021-02-22 01:32:48,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:48,346 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 334 transitions. [2021-02-22 01:32:48,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-22 01:32:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 334 transitions. [2021-02-22 01:32:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-02-22 01:32:48,354 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:48,354 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 12, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:48,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:32:48,355 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:48,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2098452402, now seen corresponding path program 4 times [2021-02-22 01:32:48,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:48,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6563552] [2021-02-22 01:32:48,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:48,359 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 01:32:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-02-22 01:32:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:32:48,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:48,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-22 01:32:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:48,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:48,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-02-22 01:32:48,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6563552] [2021-02-22 01:32:48,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:48,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 01:32:48,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823735029] [2021-02-22 01:32:48,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 01:32:48,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:48,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 01:32:48,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-22 01:32:48,768 INFO L87 Difference]: Start difference. First operand 176 states and 334 transitions. Second operand 6 states. [2021-02-22 01:32:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:49,072 INFO L93 Difference]: Finished difference Result 257 states and 536 transitions. [2021-02-22 01:32:49,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-22 01:32:49,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2021-02-22 01:32:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:49,076 INFO L225 Difference]: With dead ends: 257 [2021-02-22 01:32:49,076 INFO L226 Difference]: Without dead ends: 102 [2021-02-22 01:32:49,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:32:49,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-02-22 01:32:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-02-22 01:32:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-22 01:32:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 139 transitions. [2021-02-22 01:32:49,116 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 139 transitions. Word has length 206 [2021-02-22 01:32:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:49,117 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 139 transitions. [2021-02-22 01:32:49,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 01:32:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 139 transitions. [2021-02-22 01:32:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-22 01:32:49,120 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:49,121 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:49,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 01:32:49,121 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:49,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:49,122 INFO L82 PathProgramCache]: Analyzing trace with hash 2010304395, now seen corresponding path program 5 times [2021-02-22 01:32:49,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:49,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627099121] [2021-02-22 01:32:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:49,125 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,394 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:32:49,395 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:32:49,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:32:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:32:49,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-02-22 01:32:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:49,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:49,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:49,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-02-22 01:32:49,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627099121] [2021-02-22 01:32:49,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:49,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-22 01:32:49,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669594077] [2021-02-22 01:32:49,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-22 01:32:49,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:49,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-22 01:32:49,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-02-22 01:32:49,661 INFO L87 Difference]: Start difference. First operand 102 states and 139 transitions. Second operand 17 states. [2021-02-22 01:32:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:52,473 INFO L93 Difference]: Finished difference Result 239 states and 431 transitions. [2021-02-22 01:32:52,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-22 01:32:52,474 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 167 [2021-02-22 01:32:52,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:52,480 INFO L225 Difference]: With dead ends: 239 [2021-02-22 01:32:52,480 INFO L226 Difference]: Without dead ends: 156 [2021-02-22 01:32:52,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=705, Invalid=2265, Unknown=0, NotChecked=0, Total=2970 [2021-02-22 01:32:52,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-02-22 01:32:52,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 118. [2021-02-22 01:32:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-22 01:32:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 157 transitions. [2021-02-22 01:32:52,517 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 157 transitions. Word has length 167 [2021-02-22 01:32:52,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:52,518 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 157 transitions. [2021-02-22 01:32:52,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-22 01:32:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2021-02-22 01:32:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-02-22 01:32:52,523 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:52,523 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 15, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:52,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 01:32:52,524 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:52,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:52,524 INFO L82 PathProgramCache]: Analyzing trace with hash -241636117, now seen corresponding path program 6 times [2021-02-22 01:32:52,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:52,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526340238] [2021-02-22 01:32:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:52,529 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,826 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:32:52,827 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:32:52,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:32:52,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:32:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:52,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:52,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-22 01:32:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-22 01:32:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-22 01:32:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:53,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:53,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 23 proven. 128 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-02-22 01:32:53,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526340238] [2021-02-22 01:32:53,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:53,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-22 01:32:53,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65877925] [2021-02-22 01:32:53,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-22 01:32:53,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:53,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-22 01:32:53,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-02-22 01:32:53,241 INFO L87 Difference]: Start difference. First operand 118 states and 157 transitions. Second operand 17 states. [2021-02-22 01:32:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:32:56,462 INFO L93 Difference]: Finished difference Result 277 states and 471 transitions. [2021-02-22 01:32:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-02-22 01:32:56,463 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 263 [2021-02-22 01:32:56,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:32:56,467 INFO L225 Difference]: With dead ends: 277 [2021-02-22 01:32:56,468 INFO L226 Difference]: Without dead ends: 176 [2021-02-22 01:32:56,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=889, Invalid=2893, Unknown=0, NotChecked=0, Total=3782 [2021-02-22 01:32:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-22 01:32:56,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 136. [2021-02-22 01:32:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-22 01:32:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 186 transitions. [2021-02-22 01:32:56,505 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 186 transitions. Word has length 263 [2021-02-22 01:32:56,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:32:56,506 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 186 transitions. [2021-02-22 01:32:56,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-22 01:32:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2021-02-22 01:32:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-22 01:32:56,510 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:32:56,510 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:32:56,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 01:32:56,511 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:32:56,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:32:56,511 INFO L82 PathProgramCache]: Analyzing trace with hash 465788811, now seen corresponding path program 7 times [2021-02-22 01:32:56,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:32:56,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411079127] [2021-02-22 01:32:56,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:32:56,515 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:32:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:32:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:32:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:32:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:56,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:56,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:56,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:56,984 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:32:56,985 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:32:57,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:32:57,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:32:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:32:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:32:57,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:32:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:32:57,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-22 01:32:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:32:57,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:32:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:32:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:32:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:32:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:32:57,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:32:57,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:32:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 93 proven. 69 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-02-22 01:32:57,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411079127] [2021-02-22 01:32:57,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:32:57,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-22 01:32:57,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544313165] [2021-02-22 01:32:57,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-22 01:32:57,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:32:57,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-22 01:32:57,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-02-22 01:32:57,448 INFO L87 Difference]: Start difference. First operand 136 states and 186 transitions. Second operand 23 states. [2021-02-22 01:33:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:05,332 INFO L93 Difference]: Finished difference Result 401 states and 704 transitions. [2021-02-22 01:33:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-22 01:33:05,332 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 243 [2021-02-22 01:33:05,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:05,340 INFO L225 Difference]: With dead ends: 401 [2021-02-22 01:33:05,340 INFO L226 Difference]: Without dead ends: 286 [2021-02-22 01:33:05,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4308 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=2660, Invalid=11382, Unknown=0, NotChecked=0, Total=14042 [2021-02-22 01:33:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-02-22 01:33:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 166. [2021-02-22 01:33:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-22 01:33:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2021-02-22 01:33:05,419 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 243 [2021-02-22 01:33:05,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:05,420 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2021-02-22 01:33:05,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-22 01:33:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2021-02-22 01:33:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-02-22 01:33:05,429 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:05,429 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:05,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 01:33:05,430 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:05,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:05,430 INFO L82 PathProgramCache]: Analyzing trace with hash 437568672, now seen corresponding path program 8 times [2021-02-22 01:33:05,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:05,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494368864] [2021-02-22 01:33:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:05,435 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,897 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:33:05,899 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:33:05,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:33:05,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:05,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:05,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:05,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:05,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:05,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:05,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:06,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-22 01:33:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:06,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:06,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:06,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-02-22 01:33:06,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494368864] [2021-02-22 01:33:06,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:06,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-22 01:33:06,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448231103] [2021-02-22 01:33:06,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-22 01:33:06,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:06,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-22 01:33:06,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2021-02-22 01:33:06,333 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand 24 states. [2021-02-22 01:33:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:15,123 INFO L93 Difference]: Finished difference Result 455 states and 855 transitions. [2021-02-22 01:33:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-22 01:33:15,124 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 262 [2021-02-22 01:33:15,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:15,134 INFO L225 Difference]: With dead ends: 455 [2021-02-22 01:33:15,134 INFO L226 Difference]: Without dead ends: 310 [2021-02-22 01:33:15,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5009 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=2976, Invalid=13026, Unknown=0, NotChecked=0, Total=16002 [2021-02-22 01:33:15,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-02-22 01:33:15,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 200. [2021-02-22 01:33:15,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-02-22 01:33:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 316 transitions. [2021-02-22 01:33:15,214 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 316 transitions. Word has length 262 [2021-02-22 01:33:15,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:15,215 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 316 transitions. [2021-02-22 01:33:15,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-22 01:33:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 316 transitions. [2021-02-22 01:33:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-22 01:33:15,222 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:15,223 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:15,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-22 01:33:15,223 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:15,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:15,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1442041525, now seen corresponding path program 9 times [2021-02-22 01:33:15,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:15,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612083166] [2021-02-22 01:33:15,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:15,228 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,342 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-22 01:33:15,343 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-22 01:33:15,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-22 01:33:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:15,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:15,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:15,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:15,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:16,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:16,036 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:33:16,036 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:33:16,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:33:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:16,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:16,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:16,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:33:16,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:16,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:16,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:16,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:33:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:16,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:16,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:16,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:33:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:16,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:16,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:16,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:33:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:16,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:16,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:16,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:16,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:33:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-02-22 01:33:16,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612083166] [2021-02-22 01:33:16,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:16,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-22 01:33:16,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568372448] [2021-02-22 01:33:16,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-22 01:33:16,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:16,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-22 01:33:16,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-02-22 01:33:16,528 INFO L87 Difference]: Start difference. First operand 200 states and 316 transitions. Second operand 26 states. [2021-02-22 01:33:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:25,273 INFO L93 Difference]: Finished difference Result 737 states and 1214 transitions. [2021-02-22 01:33:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-02-22 01:33:25,274 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 281 [2021-02-22 01:33:25,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:25,300 INFO L225 Difference]: With dead ends: 737 [2021-02-22 01:33:25,300 INFO L226 Difference]: Without dead ends: 719 [2021-02-22 01:33:25,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3642 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=999, Invalid=11883, Unknown=0, NotChecked=0, Total=12882 [2021-02-22 01:33:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2021-02-22 01:33:25,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 348. [2021-02-22 01:33:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2021-02-22 01:33:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 666 transitions. [2021-02-22 01:33:25,467 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 666 transitions. Word has length 281 [2021-02-22 01:33:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:25,469 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 666 transitions. [2021-02-22 01:33:25,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-22 01:33:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 666 transitions. [2021-02-22 01:33:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-22 01:33:25,485 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:25,486 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 18, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:25,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-22 01:33:25,486 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:25,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:25,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1179742896, now seen corresponding path program 10 times [2021-02-22 01:33:25,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:25,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374320425] [2021-02-22 01:33:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:25,492 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:25,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:25,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:25,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:25,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:25,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-22 01:33:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:26,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:33:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-22 01:33:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-22 01:33:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:26,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:26,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 46 proven. 176 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-02-22 01:33:26,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374320425] [2021-02-22 01:33:26,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:26,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-22 01:33:26,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611562532] [2021-02-22 01:33:26,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-22 01:33:26,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:26,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-22 01:33:26,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-22 01:33:26,549 INFO L87 Difference]: Start difference. First operand 348 states and 666 transitions. Second operand 13 states. [2021-02-22 01:33:27,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:27,546 INFO L93 Difference]: Finished difference Result 659 states and 1469 transitions. [2021-02-22 01:33:27,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 01:33:27,547 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 329 [2021-02-22 01:33:27,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:27,556 INFO L225 Difference]: With dead ends: 659 [2021-02-22 01:33:27,556 INFO L226 Difference]: Without dead ends: 332 [2021-02-22 01:33:27,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2021-02-22 01:33:27,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-22 01:33:27,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 292. [2021-02-22 01:33:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-22 01:33:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 447 transitions. [2021-02-22 01:33:27,665 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 447 transitions. Word has length 329 [2021-02-22 01:33:27,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:27,665 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 447 transitions. [2021-02-22 01:33:27,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-22 01:33:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 447 transitions. [2021-02-22 01:33:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-02-22 01:33:27,671 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:27,672 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 16, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:27,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-22 01:33:27,672 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:27,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:27,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1767246410, now seen corresponding path program 11 times [2021-02-22 01:33:27,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:27,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722779949] [2021-02-22 01:33:27,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:27,676 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:27,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:27,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:27,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:27,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:27,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:27,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:27,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,109 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:33:28,109 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:33:28,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:33:28,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:28,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:28,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-22 01:33:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:28,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-22 01:33:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:28,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:28,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 88 proven. 105 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-02-22 01:33:28,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722779949] [2021-02-22 01:33:28,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:28,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-22 01:33:28,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527757414] [2021-02-22 01:33:28,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-22 01:33:28,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:28,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-22 01:33:28,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2021-02-22 01:33:28,724 INFO L87 Difference]: Start difference. First operand 292 states and 447 transitions. Second operand 26 states. [2021-02-22 01:33:31,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:31,578 INFO L93 Difference]: Finished difference Result 714 states and 1268 transitions. [2021-02-22 01:33:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-22 01:33:31,579 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 300 [2021-02-22 01:33:31,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:31,592 INFO L225 Difference]: With dead ends: 714 [2021-02-22 01:33:31,592 INFO L226 Difference]: Without dead ends: 319 [2021-02-22 01:33:31,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=599, Invalid=2941, Unknown=0, NotChecked=0, Total=3540 [2021-02-22 01:33:31,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-02-22 01:33:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 287. [2021-02-22 01:33:31,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-22 01:33:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 428 transitions. [2021-02-22 01:33:31,709 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 428 transitions. Word has length 300 [2021-02-22 01:33:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:31,710 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 428 transitions. [2021-02-22 01:33:31,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-22 01:33:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 428 transitions. [2021-02-22 01:33:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-02-22 01:33:31,714 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:31,714 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 17, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:31,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-22 01:33:31,715 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:31,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:31,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1114859737, now seen corresponding path program 12 times [2021-02-22 01:33:31,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:31,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581595752] [2021-02-22 01:33:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:31,721 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:31,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:31,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:31,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:31,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:31,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:31,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:31,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:31,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:31,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,020 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 01:33:32,021 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 01:33:32,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:33:32,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:33:32,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:32,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-22 01:33:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-22 01:33:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:32,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:32,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 173 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2021-02-22 01:33:32,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581595752] [2021-02-22 01:33:32,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:32,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-22 01:33:32,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693958214] [2021-02-22 01:33:32,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-22 01:33:32,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:32,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-22 01:33:32,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-02-22 01:33:32,622 INFO L87 Difference]: Start difference. First operand 287 states and 428 transitions. Second operand 19 states. [2021-02-22 01:33:34,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:34,269 INFO L93 Difference]: Finished difference Result 552 states and 902 transitions. [2021-02-22 01:33:34,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-22 01:33:34,270 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 319 [2021-02-22 01:33:34,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:34,278 INFO L225 Difference]: With dead ends: 552 [2021-02-22 01:33:34,279 INFO L226 Difference]: Without dead ends: 291 [2021-02-22 01:33:34,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=303, Invalid=1337, Unknown=0, NotChecked=0, Total=1640 [2021-02-22 01:33:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-02-22 01:33:34,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2021-02-22 01:33:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-22 01:33:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 424 transitions. [2021-02-22 01:33:34,396 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 424 transitions. Word has length 319 [2021-02-22 01:33:34,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:34,396 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 424 transitions. [2021-02-22 01:33:34,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-22 01:33:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 424 transitions. [2021-02-22 01:33:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-02-22 01:33:34,400 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:34,401 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 42, 23, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:34,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-22 01:33:34,401 INFO L428 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:34,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:34,402 INFO L82 PathProgramCache]: Analyzing trace with hash 214341815, now seen corresponding path program 13 times [2021-02-22 01:33:34,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:34,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398590358] [2021-02-22 01:33:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:34,410 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:34,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-22 01:33:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:34,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:34,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:34,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-22 01:33:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-22 01:33:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:35,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:35,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2021-02-22 01:33:35,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398590358] [2021-02-22 01:33:35,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:35,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 01:33:35,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381854465] [2021-02-22 01:33:35,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 01:33:35,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:35,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 01:33:35,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:33:35,384 INFO L87 Difference]: Start difference. First operand 287 states and 424 transitions. Second operand 9 states. [2021-02-22 01:33:35,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:35,966 INFO L93 Difference]: Finished difference Result 293 states and 429 transitions. [2021-02-22 01:33:35,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 01:33:35,966 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 424 [2021-02-22 01:33:35,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:35,971 INFO L225 Difference]: With dead ends: 293 [2021-02-22 01:33:35,972 INFO L226 Difference]: Without dead ends: 287 [2021-02-22 01:33:35,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-02-22 01:33:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-02-22 01:33:36,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 263. [2021-02-22 01:33:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-22 01:33:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 368 transitions. [2021-02-22 01:33:36,047 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 368 transitions. Word has length 424 [2021-02-22 01:33:36,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:36,047 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 368 transitions. [2021-02-22 01:33:36,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 01:33:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 368 transitions. [2021-02-22 01:33:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-02-22 01:33:36,051 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:33:36,051 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 23, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:33:36,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-22 01:33:36,051 INFO L428 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:33:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:33:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -618303451, now seen corresponding path program 14 times [2021-02-22 01:33:36,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:33:36,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607912832] [2021-02-22 01:33:36,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:33:36,057 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:33:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:33:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:33:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:36,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:36,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:36,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:33:36,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:33:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-22 01:33:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-22 01:33:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-02-22 01:33:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-22 01:33:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-22 01:33:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 01:33:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-22 01:33:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-22 01:33:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-22 01:33:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:36,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-22 01:33:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:33:36,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:33:36,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:33:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2021-02-22 01:33:37,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607912832] [2021-02-22 01:33:37,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:33:37,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-22 01:33:37,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729120239] [2021-02-22 01:33:37,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-22 01:33:37,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:33:37,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-22 01:33:37,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-22 01:33:37,092 INFO L87 Difference]: Start difference. First operand 263 states and 368 transitions. Second operand 12 states. [2021-02-22 01:33:37,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:33:37,894 INFO L93 Difference]: Finished difference Result 487 states and 766 transitions. [2021-02-22 01:33:37,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 01:33:37,894 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 415 [2021-02-22 01:33:37,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:33:37,899 INFO L225 Difference]: With dead ends: 487 [2021-02-22 01:33:37,899 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 01:33:37,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-02-22 01:33:37,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 01:33:37,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 01:33:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 01:33:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 01:33:37,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 415 [2021-02-22 01:33:37,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:33:37,907 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 01:33:37,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-22 01:33:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 01:33:37,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 01:33:37,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-22 01:33:37,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 01:33:43,314 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 112 [2021-02-22 01:33:45,664 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 104 [2021-02-22 01:33:47,736 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 115 [2021-02-22 01:33:47,948 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 115 [2021-02-22 01:33:48,198 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:33:48,513 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:33:48,645 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:48,777 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:48,972 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 140 [2021-02-22 01:33:49,089 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 122 [2021-02-22 01:33:49,272 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-22 01:33:49,466 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:49,635 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:33:49,767 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:49,908 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:33:50,042 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 108 [2021-02-22 01:33:50,268 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:33:50,510 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:33:50,934 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:33:51,063 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:51,233 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 125 [2021-02-22 01:33:51,354 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-02-22 01:33:51,479 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:51,634 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:33:51,766 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:51,904 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:33:52,108 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:33:52,291 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:33:52,432 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:33:52,611 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:33:52,740 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:52,869 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:53,010 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:53,114 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-02-22 01:33:53,219 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-02-22 01:33:53,553 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:53,705 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:33:53,953 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:33:54,099 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 114 [2021-02-22 01:33:54,223 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:54,347 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-02-22 01:33:54,473 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:54,605 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 108 [2021-02-22 01:33:54,768 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:54,954 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:33:55,071 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:33:55,189 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:33:55,407 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:33:55,915 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:56,049 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:33:56,176 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:56,571 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 146 [2021-02-22 01:33:56,812 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:56,961 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:33:57,181 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 146 [2021-02-22 01:33:57,320 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:33:57,576 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:33:57,724 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 114 [2021-02-22 01:33:57,979 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:33:58,099 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:33:58,230 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-02-22 01:33:58,558 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 162 [2021-02-22 01:33:58,695 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:33:58,922 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:33:59,055 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:33:59,447 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 140 [2021-02-22 01:33:59,657 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:33:59,787 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:00,037 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-22 01:34:00,233 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 150 [2021-02-22 01:34:00,367 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:00,637 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:00,895 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:34:01,031 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:01,227 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 122 [2021-02-22 01:34:01,368 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:01,631 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:01,910 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:02,030 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:02,187 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:02,423 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:02,576 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:02,689 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:02,995 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:03,227 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:34:03,390 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 126 [2021-02-22 01:34:03,613 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:03,717 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2021-02-22 01:34:03,899 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:04,172 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:04,302 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:04,533 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:04,673 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:04,909 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:05,025 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 125 [2021-02-22 01:34:05,166 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:05,275 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:05,414 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:05,526 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:05,635 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:05,765 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:05,899 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:06,057 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:06,216 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:06,477 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:34:06,636 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:06,822 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-22 01:34:07,047 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:07,201 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 119 [2021-02-22 01:34:07,449 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 126 [2021-02-22 01:34:07,564 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:07,940 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:34:08,237 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:34:08,369 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:08,502 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:08,689 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 140 [2021-02-22 01:34:08,808 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 122 [2021-02-22 01:34:08,999 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-22 01:34:09,196 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:09,347 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:09,479 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:09,626 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:09,761 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 108 [2021-02-22 01:34:09,986 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:34:10,214 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:10,646 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:34:10,768 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:10,937 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 125 [2021-02-22 01:34:11,044 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-02-22 01:34:11,165 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:11,321 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:11,449 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:11,584 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:11,760 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:34:11,941 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:34:12,080 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:12,260 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:34:12,391 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:12,521 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:12,653 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:12,758 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-02-22 01:34:12,867 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2021-02-22 01:34:13,190 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:13,339 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:13,566 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:34:13,716 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 114 [2021-02-22 01:34:13,837 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:14,036 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:14,164 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 108 [2021-02-22 01:34:14,316 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:14,501 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:34:14,618 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:14,734 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:14,950 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:15,447 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:15,575 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:15,696 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:16,084 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 146 [2021-02-22 01:34:16,313 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:16,452 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:16,657 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 146 [2021-02-22 01:34:16,792 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:17,046 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:17,187 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 114 [2021-02-22 01:34:17,422 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:17,537 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:17,680 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-02-22 01:34:18,004 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 162 [2021-02-22 01:34:18,131 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:18,352 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:18,487 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:18,865 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 140 [2021-02-22 01:34:19,074 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:34:19,201 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 116 [2021-02-22 01:34:19,447 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-22 01:34:19,639 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 150 [2021-02-22 01:34:19,777 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:20,039 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:20,296 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 130 [2021-02-22 01:34:20,427 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:20,615 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 122 [2021-02-22 01:34:20,752 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:21,014 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:21,285 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:21,400 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:21,551 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:21,793 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:21,943 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:22,057 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:22,347 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 149 [2021-02-22 01:34:22,582 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2021-02-22 01:34:22,749 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 126 [2021-02-22 01:34:22,975 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:23,244 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:23,513 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:23,639 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:23,870 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2021-02-22 01:34:24,003 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:24,253 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:24,377 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 125 [2021-02-22 01:34:24,525 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:24,637 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:24,779 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2021-02-22 01:34:24,895 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:25,008 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-02-22 01:34:25,147 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:25,282 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:25,435 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2021-02-22 01:34:25,585 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-02-22 01:34:25,841 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 138 [2021-02-22 01:34:26,000 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:26,184 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-22 01:34:26,410 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-02-22 01:34:26,562 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 119 [2021-02-22 01:34:26,815 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 126 [2021-02-22 01:34:26,932 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2021-02-22 01:34:27,114 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:34:27,296 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:34:27,911 WARN L202 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:34:28,117 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 148 [2021-02-22 01:34:28,596 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:34:28,961 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:29,333 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:30,087 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 224 [2021-02-22 01:34:30,314 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 148 [2021-02-22 01:34:30,913 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-22 01:34:31,268 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 155 [2021-02-22 01:34:31,627 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:31,883 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:34:32,241 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:32,463 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:34:32,695 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-02-22 01:34:33,177 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:34:33,602 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:34:33,792 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 122 [2021-02-22 01:34:33,983 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:34,173 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 122 [2021-02-22 01:34:34,371 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:34,972 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:34:35,324 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:35,585 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2021-02-22 01:34:35,804 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 151 [2021-02-22 01:34:36,106 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-02-22 01:34:36,460 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:36,870 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 115 [2021-02-22 01:34:37,217 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:34:37,579 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:37,805 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:34:38,132 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:34:38,460 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:34:38,702 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:34:39,036 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:34:39,404 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:39,783 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:40,150 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:40,487 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-02-22 01:34:40,786 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-02-22 01:34:40,970 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:34:41,155 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:34:41,523 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:41,771 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:34:42,252 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:34:42,772 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 184 [2021-02-22 01:34:43,117 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:43,557 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 164 [2021-02-22 01:34:43,914 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:44,140 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-02-22 01:34:44,539 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:45,142 WARN L202 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:34:45,336 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:34:45,530 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:34:45,939 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:34:46,119 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:34:46,335 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:34:46,527 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:46,712 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:34:47,064 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:47,433 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:34:47,784 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:47,989 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:48,209 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:34:48,979 WARN L202 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 230 [2021-02-22 01:34:49,172 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 122 [2021-02-22 01:34:49,477 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 142 [2021-02-22 01:34:49,842 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:50,073 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:34:50,820 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 230 [2021-02-22 01:34:51,041 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:34:51,218 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:34:51,467 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:34:51,996 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 184 [2021-02-22 01:34:52,418 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 161 [2021-02-22 01:34:52,721 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:34:52,915 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:34:53,139 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 153 [2021-02-22 01:34:53,354 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:54,162 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 238 [2021-02-22 01:34:54,511 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:54,929 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:34:55,266 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:34:56,720 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 417 DAG size of output: 246 [2021-02-22 01:34:57,344 WARN L202 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:34:57,688 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:34:57,883 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:58,511 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-22 01:34:58,914 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 181 [2021-02-22 01:34:59,128 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:34:59,476 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:59,744 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:34:59,974 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:00,342 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 159 [2021-02-22 01:35:00,942 WARN L202 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:35:01,159 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:01,482 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 148 [2021-02-22 01:35:01,732 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:02,054 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 145 [2021-02-22 01:35:02,254 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:02,631 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:02,844 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:03,097 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:03,439 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:03,711 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:04,171 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:04,425 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:04,743 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:04,863 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 118 [2021-02-22 01:35:05,309 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:05,830 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:35:06,342 WARN L202 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 194 [2021-02-22 01:35:06,571 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:06,790 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:06,956 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:07,254 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:07,425 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:07,726 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:07,935 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:35:08,128 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:08,430 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:08,795 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:08,990 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:09,273 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:09,494 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 151 [2021-02-22 01:35:09,723 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:10,045 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:10,278 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:10,602 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:10,921 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:11,284 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:11,647 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:11,901 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:12,154 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:12,270 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 114 [2021-02-22 01:35:12,620 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:35:12,997 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:13,591 WARN L202 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-22 01:35:13,779 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:14,143 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:14,800 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 218 [2021-02-22 01:35:14,991 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:15,648 WARN L202 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 212 [2021-02-22 01:35:15,844 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:35:16,034 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:16,223 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:16,829 WARN L202 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:35:17,023 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 148 [2021-02-22 01:35:17,476 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:35:17,833 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:18,187 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:18,898 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 224 [2021-02-22 01:35:19,116 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 148 [2021-02-22 01:35:19,734 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-22 01:35:20,091 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 155 [2021-02-22 01:35:20,460 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:20,728 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:21,092 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:21,325 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:21,554 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-02-22 01:35:22,024 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:35:22,441 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:22,637 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 122 [2021-02-22 01:35:22,829 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:23,020 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 122 [2021-02-22 01:35:23,212 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:23,810 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:35:24,171 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:24,426 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2021-02-22 01:35:24,645 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 151 [2021-02-22 01:35:24,934 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-02-22 01:35:25,283 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:25,529 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 115 [2021-02-22 01:35:25,847 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:26,203 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:26,421 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:26,762 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:35:27,091 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:35:27,319 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:27,650 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:35:28,004 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:28,376 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:28,736 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:29,024 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-02-22 01:35:29,313 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-02-22 01:35:29,499 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:29,685 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:30,061 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:30,306 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:30,792 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:35:31,312 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 184 [2021-02-22 01:35:31,678 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:32,120 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 164 [2021-02-22 01:35:32,485 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:32,725 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-02-22 01:35:33,129 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:33,731 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:35:33,920 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:35:34,110 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:35:34,519 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:34,698 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:34,911 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:35,104 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:35,291 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:35,632 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:35,998 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:36,341 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:36,533 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:36,743 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:35:37,486 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 230 [2021-02-22 01:35:37,676 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 122 [2021-02-22 01:35:37,977 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 142 [2021-02-22 01:35:38,327 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:38,557 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:39,297 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 230 [2021-02-22 01:35:39,511 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:39,692 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:39,949 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:40,472 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 184 [2021-02-22 01:35:40,887 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 161 [2021-02-22 01:35:41,190 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:41,381 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:35:41,606 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 153 [2021-02-22 01:35:41,812 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:42,593 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 238 [2021-02-22 01:35:42,932 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:43,333 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:43,655 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:45,138 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 417 DAG size of output: 246 [2021-02-22 01:35:45,784 WARN L202 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:35:46,131 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 159 [2021-02-22 01:35:46,333 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:46,952 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-22 01:35:47,362 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 181 [2021-02-22 01:35:47,582 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:47,781 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:47,978 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:48,214 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:48,569 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 159 [2021-02-22 01:35:49,204 WARN L202 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 199 [2021-02-22 01:35:49,421 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:49,586 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 105 [2021-02-22 01:35:49,976 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 148 [2021-02-22 01:35:50,204 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:50,524 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 145 [2021-02-22 01:35:50,724 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:51,106 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:51,322 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:51,569 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:51,891 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:52,142 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:52,580 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:52,830 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:53,130 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:53,241 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 118 [2021-02-22 01:35:53,657 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 181 [2021-02-22 01:35:54,133 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2021-02-22 01:35:54,639 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 194 [2021-02-22 01:35:54,860 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:55,080 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:35:55,246 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:55,539 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:55,710 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 122 [2021-02-22 01:35:56,019 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:56,224 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:35:56,422 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:56,718 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 160 [2021-02-22 01:35:57,089 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:57,289 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2021-02-22 01:35:57,569 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:35:57,794 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 151 [2021-02-22 01:35:58,024 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:58,321 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:58,558 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-22 01:35:58,859 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:59,151 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-02-22 01:35:59,503 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:35:59,856 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:36:00,108 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 149 [2021-02-22 01:36:00,364 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2021-02-22 01:36:00,480 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 114 [2021-02-22 01:36:00,823 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 165 [2021-02-22 01:36:01,203 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:36:01,819 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-22 01:36:02,002 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:36:02,362 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:36:03,002 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 218 [2021-02-22 01:36:03,186 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2021-02-22 01:36:03,847 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 212 [2021-02-22 01:36:04,043 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-02-22 01:36:04,447 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 174 [2021-02-22 01:36:04,666 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 104 [2021-02-22 01:36:04,830 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:04,997 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:05,303 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 163 [2021-02-22 01:36:05,668 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 177 [2021-02-22 01:36:05,834 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2021-02-22 01:36:05,999 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:06,238 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:06,526 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 104 [2021-02-22 01:36:06,648 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2021-02-22 01:36:07,192 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 174 [2021-02-22 01:36:07,356 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:07,643 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:07,804 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:07,931 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2021-02-22 01:36:08,035 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:08,196 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:08,460 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 89 [2021-02-22 01:36:08,793 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:08,956 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:09,119 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:09,228 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:09,337 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:09,622 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:09,840 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 104 [2021-02-22 01:36:10,095 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:36:10,259 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:10,470 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 147 [2021-02-22 01:36:10,634 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:10,885 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:11,168 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 174 [2021-02-22 01:36:11,409 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2021-02-22 01:36:11,846 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:12,005 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:12,165 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:12,626 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 167 [2021-02-22 01:36:12,819 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2021-02-22 01:36:12,978 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:13,365 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 167 [2021-02-22 01:36:13,835 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-02-22 01:36:14,042 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-02-22 01:36:14,690 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 177 [2021-02-22 01:36:14,849 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:14,958 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2021-02-22 01:36:15,081 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:15,762 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 197 [2021-02-22 01:36:16,062 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 174 [2021-02-22 01:36:16,220 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:16,554 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 177 [2021-02-22 01:36:16,680 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 142 [2021-02-22 01:36:17,096 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 122 [2021-02-22 01:36:17,382 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 174 [2021-02-22 01:36:17,788 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2021-02-22 01:36:18,015 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:18,284 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:18,491 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2021-02-22 01:36:18,671 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:18,813 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2021-02-22 01:36:18,956 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 104 [2021-02-22 01:36:19,139 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 137 [2021-02-22 01:36:19,942 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:20,345 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:20,525 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:20,632 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-02-22 01:36:20,790 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:20,954 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:21,423 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:21,714 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 177 [2021-02-22 01:36:21,931 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-02-22 01:36:22,243 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 179 [2021-02-22 01:36:22,585 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 159 [2021-02-22 01:36:23,520 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2021-02-22 01:36:23,739 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 115 [2021-02-22 01:36:23,889 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:24,039 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:24,336 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 169 [2021-02-22 01:36:24,677 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 171 [2021-02-22 01:36:24,820 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2021-02-22 01:36:24,969 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:25,198 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:25,488 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 115 [2021-02-22 01:36:25,607 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 110 [2021-02-22 01:36:26,264 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2021-02-22 01:36:26,416 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:26,721 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:26,871 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:26,977 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2021-02-22 01:36:27,123 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:27,274 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:27,851 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:28,000 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:28,148 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:28,289 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:28,431 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:28,704 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:28,926 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 115 [2021-02-22 01:36:29,182 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 160 [2021-02-22 01:36:29,331 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:29,516 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2021-02-22 01:36:29,665 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:29,902 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:30,183 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2021-02-22 01:36:30,431 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 110 [2021-02-22 01:36:30,878 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:31,030 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:31,182 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:31,663 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 175 [2021-02-22 01:36:31,861 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2021-02-22 01:36:32,010 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:32,392 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 175 [2021-02-22 01:36:32,844 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 160 [2021-02-22 01:36:33,018 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-02-22 01:36:33,674 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 184 [2021-02-22 01:36:33,825 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:33,939 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 110 [2021-02-22 01:36:34,092 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:34,718 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 191 [2021-02-22 01:36:35,016 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2021-02-22 01:36:35,165 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:35,529 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 171 [2021-02-22 01:36:35,641 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 133 [2021-02-22 01:36:36,098 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 122 [2021-02-22 01:36:36,379 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2021-02-22 01:36:36,739 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 115 [2021-02-22 01:36:36,985 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:37,280 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:37,489 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 110 [2021-02-22 01:36:37,707 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:37,853 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 110 [2021-02-22 01:36:38,001 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 115 [2021-02-22 01:36:38,159 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-02-22 01:36:39,011 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:39,468 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:39,675 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:39,813 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-22 01:36:39,964 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:40,109 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:40,568 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:40,846 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 171 [2021-02-22 01:36:41,053 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-22 01:36:41,310 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 168 [2021-02-22 01:36:41,655 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2021-02-22 01:36:44,025 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 104 [2021-02-22 01:36:45,859 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 11 [2021-02-22 01:36:46,297 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2021-02-22 01:36:46,703 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2021-02-22 01:36:47,274 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2021-02-22 01:36:47,524 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 10 [2021-02-22 01:36:47,649 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2021-02-22 01:36:47,793 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 7 [2021-02-22 01:36:47,908 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-22 01:36:48,023 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-22 01:36:52,577 WARN L202 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 230 DAG size of output: 73 [2021-02-22 01:36:52,835 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 10 [2021-02-22 01:36:59,319 WARN L202 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 442 DAG size of output: 63 [2021-02-22 01:37:05,840 WARN L202 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 442 DAG size of output: 63 [2021-02-22 01:37:18,663 WARN L202 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 730 DAG size of output: 75 [2021-02-22 01:37:31,433 WARN L202 SmtUtils]: Spent 12.74 s on a formula simplification. DAG size of input: 730 DAG size of output: 75 [2021-02-22 01:37:38,772 WARN L202 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 445 DAG size of output: 80 [2021-02-22 01:37:38,905 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 3 [2021-02-22 01:37:39,028 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2021-02-22 01:37:39,313 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 9 [2021-02-22 01:37:47,098 WARN L202 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 497 DAG size of output: 73 [2021-02-22 01:37:51,759 WARN L202 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 230 DAG size of output: 73 [2021-02-22 01:37:51,767 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-22 01:37:51,768 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-22 01:37:51,768 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-22 01:37:51,768 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-22 01:37:51,768 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-22 01:37:51,768 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,768 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-22 01:37:51,768 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,768 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,769 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point L29(lines 29 33) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 27 47) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 27 47) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L185 CegarLoopUtils]: At program point L42(lines 42 46) the Hoare annotation is: (or (<= 3 main_~m~0) (and (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2021-02-22 01:37:51,770 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2021-02-22 01:37:51,770 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 27 47) the Hoare annotation is: true [2021-02-22 01:37:51,771 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true [2021-02-22 01:37:51,771 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-22 01:37:51,771 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: false [2021-02-22 01:37:51,771 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: false [2021-02-22 01:37:51,771 INFO L192 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: true [2021-02-22 01:37:51,771 INFO L192 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: true [2021-02-22 01:37:51,771 INFO L185 CegarLoopUtils]: At program point L41-1(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-22 01:37:51,771 INFO L192 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: true [2021-02-22 01:37:51,771 INFO L185 CegarLoopUtils]: At program point L41-2(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-22 01:37:51,771 INFO L185 CegarLoopUtils]: At program point L41-3(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7) (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-22 01:37:51,772 INFO L192 CegarLoopUtils]: At program point L35(lines 35 40) the Hoare annotation is: true [2021-02-22 01:37:51,772 INFO L185 CegarLoopUtils]: At program point ackermannEXIT(lines 16 24) the Hoare annotation is: (let ((.cse1 (+ |ackermann_#in~n| 1)) (.cse2 (= |ackermann_#in~m| 0)) (.cse8 (<= |ackermann_#in~n| 1)) (.cse17 (<= |ackermann_#in~m| 1)) (.cse9 (<= 1 |ackermann_#in~n|)) (.cse19 (<= 1 ackermann_~m)) (.cse15 (<= 3 |ackermann_#res|)) (.cse14 (= ackermann_~n |ackermann_#in~n|)) (.cse20 (= ackermann_~m |ackermann_#in~m|)) (.cse11 (<= |ackermann_#res| 3))) (let ((.cse3 (not (<= 2 |ackermann_#in~m|))) (.cse10 (<= |ackermann_#res| 5)) (.cse4 (<= 3 |ackermann_#in~n|)) (.cse0 (= |ackermann_#in~n| 0)) (.cse7 (<= 2 |ackermann_#in~n|)) (.cse5 (<= 7 |ackermann_#res|)) (.cse6 (<= |ackermann_#res| 7)) (.cse16 (and .cse8 .cse17 .cse9 .cse19 .cse15 .cse14 .cse20 .cse11)) (.cse13 (<= 5 |ackermann_#res|)) (.cse18 (not (<= 1 |ackermann_#in~m|))) (.cse12 (and (<= .cse1 |ackermann_#res|) .cse14 .cse20 .cse2))) (and (or .cse0 (<= |ackermann_#res| .cse1) (not .cse2)) (or (<= 3 ackermann_~m) .cse3 .cse4 (and .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10) .cse11) (or .cse12 .cse9 .cse0) (or (and .cse13 .cse14) .cse3 (and .cse8 .cse15 .cse14)) (or (and (<= |ackermann_#in~n| 3) .cse10 .cse4 .cse13 .cse14) .cse16 (and (<= 2 |ackermann_#res|) .cse0 (<= |ackermann_#res| 2) .cse14) (not .cse17) (and (<= 6 |ackermann_#in~n|) .cse13 .cse14) (and (<= 4 |ackermann_#res|) (<= |ackermann_#in~n| 2) .cse7 .cse14 (<= |ackermann_#res| 4)) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= 6 |ackermann_#res|) .cse14 (<= |ackermann_#in~n| 4)) (and .cse5 (<= 5 |ackermann_#in~n|) .cse6 .cse14) .cse18) (or .cse16 (not .cse9) (not .cse8) .cse13 .cse18) (or .cse12 .cse19) .cse20))) [2021-02-22 01:37:51,772 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (and (not (= ackermann_~m 0)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-02-22 01:37:51,772 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse7 (<= |ackermann_#in~n| 1)) (.cse0 (<= |ackermann_#t~ret8| 5)) (.cse10 (<= |ackermann_#t~ret8| 3)) (.cse5 (<= 3 |ackermann_#in~n|)) (.cse11 (not (<= |ackermann_#in~m| 1))) (.cse9 (<= 3 |ackermann_#t~ret8|)) (.cse3 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (<= 5 |ackermann_#t~ret8|)) (.cse4 (= ackermann_~m |ackermann_#in~m|))) (and (let ((.cse6 (<= 3 ackermann_~m)) (.cse1 (<= 2 |ackermann_#in~n|)) (.cse8 (<= 1 |ackermann_#in~n|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse3) (not (<= 2 |ackermann_#in~m|)) (and .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse7 .cse10 .cse8 .cse9 .cse3))) (or (not .cse7) (and (<= 2 ackermann_~m) .cse4) (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) .cse3 .cse4)) (or (and (<= 4 |ackermann_#in~n|) .cse0) .cse11 (<= 5 |ackermann_#in~n|) (<= |ackermann_#t~ret8| 4)) (<= 1 ackermann_~m) (or .cse11 .cse10 .cse5) (or (= |ackermann_#in~n| 1) .cse11 (and (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|) .cse3 .cse4) (and (<= 6 |ackermann_#in~n|) .cse3 .cse2 .cse4) (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6) .cse3 .cse4) (and (<= |ackermann_#in~n| 2) .cse9 .cse3 .cse4) (and .cse3 .cse2 .cse4 (<= |ackermann_#in~n| 4))))) [2021-02-22 01:37:51,773 INFO L192 CegarLoopUtils]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-02-22 01:37:51,773 INFO L185 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (not (= ackermann_~m 0)) (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-22 01:37:51,773 INFO L185 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse7 (<= |ackermann_#in~n| 1)) (.cse0 (<= |ackermann_#t~ret8| 5)) (.cse10 (<= |ackermann_#t~ret8| 3)) (.cse5 (<= 3 |ackermann_#in~n|)) (.cse11 (not (<= |ackermann_#in~m| 1))) (.cse9 (<= 3 |ackermann_#t~ret8|)) (.cse3 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (<= 5 |ackermann_#t~ret8|)) (.cse4 (= ackermann_~m |ackermann_#in~m|))) (and (let ((.cse6 (<= 3 ackermann_~m)) (.cse1 (<= 2 |ackermann_#in~n|)) (.cse8 (<= 1 |ackermann_#in~n|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse3) (not (<= 2 |ackermann_#in~m|)) (and .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse7 .cse10 .cse8 .cse9 .cse3))) (or (not .cse7) (and (<= 2 ackermann_~m) .cse4) (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) .cse3 .cse4)) (or (and (<= 4 |ackermann_#in~n|) .cse0) .cse11 (<= 5 |ackermann_#in~n|) (<= |ackermann_#t~ret8| 4)) (<= 1 ackermann_~m) (or .cse11 .cse10 .cse5) (or (= |ackermann_#in~n| 1) .cse11 (and (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|) .cse3 .cse4) (and (<= 6 |ackermann_#in~n|) .cse3 .cse2 .cse4) (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6) .cse3 .cse4) (and (<= |ackermann_#in~n| 2) .cse9 .cse3 .cse4) (and .cse3 .cse2 .cse4 (<= |ackermann_#in~n| 4))))) [2021-02-22 01:37:51,773 INFO L185 CegarLoopUtils]: At program point L20(lines 20 22) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (not (= |ackermann_#in~m| 0))) [2021-02-22 01:37:51,773 INFO L185 CegarLoopUtils]: At program point L21-1(line 21) the Hoare annotation is: (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse3 (<= 3 |ackermann_#t~ret7|))) (or (and (<= |ackermann_#in~m| 1) .cse0 (<= 1 ackermann_~m) .cse1 (<= 2 |ackermann_#t~ret7|) .cse2 (<= |ackermann_#t~ret7| 2)) (and .cse0 (<= 2 ackermann_~m) .cse1 .cse2 (<= |ackermann_#t~ret7| 3) .cse3) (and (<= 3 ackermann_~m) .cse0 .cse1 .cse2 .cse3))) [2021-02-22 01:37:51,773 INFO L185 CegarLoopUtils]: At program point L23-3(line 23) the Hoare annotation is: (let ((.cse7 (<= ackermann_~m 1)) (.cse5 (<= 7 |ackermann_#t~ret9|)) (.cse6 (<= |ackermann_#t~ret9| 7)) (.cse0 (<= |ackermann_#in~n| 1)) (.cse10 (<= |ackermann_#in~n| 2)) (.cse12 (<= 3 |ackermann_#t~ret8|)) (.cse8 (= ackermann_~m |ackermann_#in~m|)) (.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse2 (<= 5 |ackermann_#t~ret9|)) (.cse13 (<= 1 ackermann_~m)) (.cse4 (<= 3 |ackermann_#in~n|)) (.cse9 (= ackermann_~n |ackermann_#in~n|)) (.cse1 (<= 3 ackermann_~m)) (.cse14 (<= |ackermann_#t~ret9| 5))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 2 |ackermann_#in~m|)) .cse4 (and .cse5 .cse3 .cse6)) (or (and .cse7 .cse8) (and .cse2 .cse9 .cse3 .cse8) (and .cse10 .cse9 .cse8)) (let ((.cse11 (<= 1 |ackermann_#in~n|))) (or (and .cse2 .cse11 .cse12) (and .cse11 .cse13 (<= |ackermann_#t~ret9| 3) .cse7) (not .cse0))) (or (and (<= 5 |ackermann_#in~n|) .cse13 .cse5 .cse3 .cse9 .cse6) (not (<= |ackermann_#in~m| 1)) (and .cse0 (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) (<= 3 |ackermann_#t~ret9|) .cse9) (and (<= |ackermann_#t~ret8| 3) (<= |ackermann_#t~ret9| 4) .cse13 .cse10 (<= 4 |ackermann_#t~ret9|) .cse12 .cse9 .cse8) (and (<= 6 |ackermann_#in~n|) .cse2 .cse13 .cse3 .cse9) (and .cse13 (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) .cse3 .cse9 (<= |ackermann_#in~n| 4)) (and .cse2 .cse14 (<= |ackermann_#in~n| 3) .cse13 (<= |ackermann_#t~ret8| 4) (<= 4 |ackermann_#t~ret8|) .cse4 .cse9)) (or .cse1 .cse14 (<= 2 |ackermann_#in~n|)))) [2021-02-22 01:37:51,773 INFO L185 CegarLoopUtils]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse3 (<= 3 |ackermann_#t~ret7|))) (or (and (<= |ackermann_#in~m| 1) .cse0 (<= 1 ackermann_~m) .cse1 (<= 2 |ackermann_#t~ret7|) .cse2 (<= |ackermann_#t~ret7| 2)) (and .cse0 (<= 2 ackermann_~m) .cse1 .cse2 (<= |ackermann_#t~ret7| 3) .cse3) (and (<= 3 ackermann_~m) .cse0 .cse1 .cse2 .cse3))) [2021-02-22 01:37:51,774 INFO L185 CegarLoopUtils]: At program point L23-4(line 23) the Hoare annotation is: (let ((.cse7 (<= ackermann_~m 1)) (.cse5 (<= 7 |ackermann_#t~ret9|)) (.cse6 (<= |ackermann_#t~ret9| 7)) (.cse0 (<= |ackermann_#in~n| 1)) (.cse10 (<= |ackermann_#in~n| 2)) (.cse12 (<= 3 |ackermann_#t~ret8|)) (.cse8 (= ackermann_~m |ackermann_#in~m|)) (.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse2 (<= 5 |ackermann_#t~ret9|)) (.cse13 (<= 1 ackermann_~m)) (.cse4 (<= 3 |ackermann_#in~n|)) (.cse9 (= ackermann_~n |ackermann_#in~n|)) (.cse1 (<= 3 ackermann_~m)) (.cse14 (<= |ackermann_#t~ret9| 5))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 2 |ackermann_#in~m|)) .cse4 (and .cse5 .cse3 .cse6)) (or (and .cse7 .cse8) (and .cse2 .cse9 .cse3 .cse8) (and .cse10 .cse9 .cse8)) (let ((.cse11 (<= 1 |ackermann_#in~n|))) (or (and .cse2 .cse11 .cse12) (and .cse11 .cse13 (<= |ackermann_#t~ret9| 3) .cse7) (not .cse0))) (or (and (<= 5 |ackermann_#in~n|) .cse13 .cse5 .cse3 .cse9 .cse6) (not (<= |ackermann_#in~m| 1)) (and .cse0 (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) (<= 3 |ackermann_#t~ret9|) .cse9) (and (<= |ackermann_#t~ret8| 3) (<= |ackermann_#t~ret9| 4) .cse13 .cse10 (<= 4 |ackermann_#t~ret9|) .cse12 .cse9 .cse8) (and (<= 6 |ackermann_#in~n|) .cse2 .cse13 .cse3 .cse9) (and .cse13 (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) .cse3 .cse9 (<= |ackermann_#in~n| 4)) (and .cse2 .cse14 (<= |ackermann_#in~n| 3) .cse13 (<= |ackermann_#t~ret8| 4) (<= 4 |ackermann_#t~ret8|) .cse4 .cse9)) (or .cse1 .cse14 (<= 2 |ackermann_#in~n|)))) [2021-02-22 01:37:51,774 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (= |ackermann_#in~m| 0)) [2021-02-22 01:37:51,774 INFO L185 CegarLoopUtils]: At program point L21-3(line 21) the Hoare annotation is: (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse3 (<= 3 |ackermann_#res|)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse4 (<= 3 |ackermann_#t~ret7|))) (or (and (<= 2 |ackermann_#res|) (<= |ackermann_#in~m| 1) .cse0 (<= 1 ackermann_~m) (<= |ackermann_#res| 2) .cse1 (<= 2 |ackermann_#t~ret7|) .cse2 (<= |ackermann_#t~ret7| 2)) (and .cse0 (<= 2 ackermann_~m) .cse2 .cse3 .cse1 (<= |ackermann_#t~ret7| 3) (<= |ackermann_#res| 3) .cse4) (and (<= 3 ackermann_~m) .cse0 .cse3 .cse1 .cse2 .cse4))) [2021-02-22 01:37:51,774 INFO L185 CegarLoopUtils]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse0 (<= |ackermann_#in~n| 1))) (let ((.cse1 (<= 3 ackermann_~m)) (.cse13 (not .cse0)) (.cse10 (<= ackermann_~m 1)) (.cse14 (<= 1 |ackermann_#in~n|)) (.cse5 (<= 7 |ackermann_#res|)) (.cse6 (<= |ackermann_#res| 7)) (.cse7 (<= 7 |ackermann_#t~ret9|)) (.cse8 (<= |ackermann_#t~ret9| 7)) (.cse17 (<= |ackermann_#in~n| 2)) (.cse18 (<= 3 |ackermann_#t~ret8|)) (.cse4 (<= 5 |ackermann_#t~ret8|)) (.cse2 (<= 5 |ackermann_#t~ret9|)) (.cse11 (<= |ackermann_#t~ret9| 5)) (.cse12 (<= |ackermann_#res| 5)) (.cse9 (<= 3 |ackermann_#in~n|)) (.cse3 (<= 5 |ackermann_#res|)) (.cse15 (= ackermann_~n |ackermann_#in~n|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4 .cse8) .cse9 .cse10) (or .cse1 (and .cse11 .cse12) .cse13) (or (<= |ackermann_#t~ret8| 2) .cse13 (and .cse2 .cse14 .cse3)) (let ((.cse16 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse2 .cse3 .cse4 .cse15 .cse16) (and .cse10 .cse16) (and .cse17 .cse18 .cse15 .cse16))) (or (and .cse0 .cse14 (<= 2 |ackermann_#t~ret8|) (<= 3 |ackermann_#t~ret9|) (<= |ackermann_#t~ret9| 3) (<= 3 |ackermann_#res|) .cse15 (<= |ackermann_#res| 3)) (not (<= |ackermann_#in~m| 1)) (and .cse5 (<= 5 |ackermann_#in~n|) .cse6 .cse7 .cse4 .cse15 .cse8) (and (<= 4 |ackermann_#res|) (<= |ackermann_#t~ret8| 3) (<= |ackermann_#t~ret9| 4) (<= 4 |ackermann_#t~ret9|) .cse17 .cse18 .cse15 (<= |ackermann_#res| 4)) (and (<= 6 |ackermann_#in~n|) .cse2 .cse3 .cse4 .cse15) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|) .cse4 .cse15 (<= |ackermann_#in~n| 4)) (and .cse2 .cse11 (<= |ackermann_#in~n| 3) .cse12 (<= |ackermann_#t~ret8| 4) .cse9 (<= 4 |ackermann_#t~ret8|) .cse3 .cse15)) (<= 1 ackermann_~m)))) [2021-02-22 01:37:51,774 INFO L185 CegarLoopUtils]: At program point L17(lines 17 19) the Hoare annotation is: (and (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-22 01:37:51,775 INFO L185 CegarLoopUtils]: At program point L23-6(line 23) the Hoare annotation is: (let ((.cse6 (<= |ackermann_#in~n| 1))) (let ((.cse2 (not .cse6)) (.cse0 (<= 3 ackermann_~m)) (.cse7 (<= ackermann_~m 1)) (.cse10 (<= 3 |ackermann_#in~n|)) (.cse8 (<= 7 |ackermann_#res|)) (.cse9 (<= |ackermann_#res| 7)) (.cse11 (<= |ackermann_#in~m| 1)) (.cse1 (<= |ackermann_#res| 5)) (.cse3 (<= 3 |ackermann_#t~ret8|)) (.cse5 (<= 1 ackermann_~m)) (.cse4 (<= 5 |ackermann_#res|)) (.cse12 (<= 5 |ackermann_#t~ret8|))) (and (or .cse0 .cse1 .cse2) (or (and (<= 1 |ackermann_#in~n|) .cse3 (<= 2 ackermann_~m) .cse4) .cse2 (and (<= |ackermann_#t~ret8| 2) .cse5 (<= |ackermann_#res| 3))) (or (and .cse6 (<= 2 |ackermann_#t~ret8|) .cse7 (<= 3 |ackermann_#res|)) (<= 4 |ackermann_#res|)) (or .cse0 .cse6 (and .cse8 .cse9) .cse7 .cse10) (or (<= 6 |ackermann_#in~n|) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4)) (not .cse11) (<= |ackermann_#t~ret8| 3) (and (<= |ackermann_#t~ret8| 4) .cse10) (and .cse8 (<= 5 |ackermann_#in~n|) .cse9)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (or .cse6 (and .cse4 .cse12) (and .cse11 .cse5 (<= |ackermann_#res| 4)) (and .cse11 .cse1 .cse5 (<= 4 |ackermann_#t~ret8|))) (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 2) .cse3) (and (<= |ackermann_#in~n| 3) .cse4) (and .cse5 .cse4 .cse12))))) [2021-02-22 01:37:51,775 INFO L185 CegarLoopUtils]: At program point L16(lines 16 24) the Hoare annotation is: (= ackermann_~m |ackermann_#in~m|) [2021-02-22 01:37:51,775 INFO L185 CegarLoopUtils]: At program point ackermannFINAL(lines 16 24) the Hoare annotation is: (let ((.cse1 (+ |ackermann_#in~n| 1)) (.cse2 (= |ackermann_#in~m| 0)) (.cse8 (<= |ackermann_#in~n| 1)) (.cse17 (<= |ackermann_#in~m| 1)) (.cse9 (<= 1 |ackermann_#in~n|)) (.cse19 (<= 1 ackermann_~m)) (.cse15 (<= 3 |ackermann_#res|)) (.cse14 (= ackermann_~n |ackermann_#in~n|)) (.cse20 (= ackermann_~m |ackermann_#in~m|)) (.cse11 (<= |ackermann_#res| 3))) (let ((.cse3 (not (<= 2 |ackermann_#in~m|))) (.cse10 (<= |ackermann_#res| 5)) (.cse4 (<= 3 |ackermann_#in~n|)) (.cse0 (= |ackermann_#in~n| 0)) (.cse7 (<= 2 |ackermann_#in~n|)) (.cse5 (<= 7 |ackermann_#res|)) (.cse6 (<= |ackermann_#res| 7)) (.cse16 (and .cse8 .cse17 .cse9 .cse19 .cse15 .cse14 .cse20 .cse11)) (.cse13 (<= 5 |ackermann_#res|)) (.cse18 (not (<= 1 |ackermann_#in~m|))) (.cse12 (and (<= .cse1 |ackermann_#res|) .cse14 .cse20 .cse2))) (and (or .cse0 (<= |ackermann_#res| .cse1) (not .cse2)) (or (<= 3 ackermann_~m) .cse3 .cse4 (and .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10) .cse11) (or .cse12 .cse9 .cse0) (or (and .cse13 .cse14) .cse3 (and .cse8 .cse15 .cse14)) (or (and (<= |ackermann_#in~n| 3) .cse10 .cse4 .cse13 .cse14) .cse16 (and (<= 2 |ackermann_#res|) .cse0 (<= |ackermann_#res| 2) .cse14) (not .cse17) (and (<= 6 |ackermann_#in~n|) .cse13 .cse14) (and (<= 4 |ackermann_#res|) (<= |ackermann_#in~n| 2) .cse7 .cse14 (<= |ackermann_#res| 4)) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= 6 |ackermann_#res|) .cse14 (<= |ackermann_#in~n| 4)) (and .cse5 (<= 5 |ackermann_#in~n|) .cse6 .cse14) .cse18) (or .cse16 (not .cse9) (not .cse8) .cse13 .cse18) (or .cse12 .cse19) .cse20))) [2021-02-22 01:37:51,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:37:51 BoogieIcfgContainer [2021-02-22 01:37:51,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:37:51,799 INFO L168 Benchmark]: Toolchain (without parser) took 311052.34 ms. Allocated memory was 151.0 MB in the beginning and 955.3 MB in the end (delta: 804.3 MB). Free memory was 128.7 MB in the beginning and 884.3 MB in the end (delta: -755.7 MB). Peak memory consumption was 597.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:37:51,800 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:37:51,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.20 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 118.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:37:51,800 INFO L168 Benchmark]: Boogie Preprocessor took 37.55 ms. Allocated memory is still 151.0 MB. Free memory was 118.0 MB in the beginning and 116.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:37:51,800 INFO L168 Benchmark]: RCFGBuilder took 498.07 ms. Allocated memory is still 151.0 MB. Free memory was 116.6 MB in the beginning and 132.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. [2021-02-22 01:37:51,801 INFO L168 Benchmark]: TraceAbstraction took 310239.00 ms. Allocated memory was 151.0 MB in the beginning and 955.3 MB in the end (delta: 804.3 MB). Free memory was 132.3 MB in the beginning and 884.3 MB in the end (delta: -752.0 MB). Peak memory consumption was 601.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:37:51,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 257.20 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 118.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.55 ms. Allocated memory is still 151.0 MB. Free memory was 118.0 MB in the beginning and 116.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 498.07 ms. Allocated memory is still 151.0 MB. Free memory was 116.6 MB in the beginning and 132.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 310239.00 ms. Allocated memory was 151.0 MB in the beginning and 955.3 MB in the end (delta: 804.3 MB). Free memory was 132.3 MB in the beginning and 884.3 MB in the end (delta: -752.0 MB). Peak memory consumption was 601.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for ackermann Derived contract for procedure ackermann: ((((((((\old(n) == 0 || \result <= \old(n) + 1) || !(\old(m) == 0)) && (((((3 <= m || !(2 <= \old(m))) || 3 <= \old(n)) || ((7 <= \result && \result <= 7) && 2 <= \old(n))) || ((\old(n) <= 1 && 1 <= \old(n)) && \result <= 5)) || \result <= 3)) && (((((\old(n) + 1 <= \result && n == \old(n)) && m == \old(m)) && \old(m) == 0) || 1 <= \old(n)) || \old(n) == 0)) && (((5 <= \result && n == \old(n)) || !(2 <= \old(m))) || ((\old(n) <= 1 && 3 <= \result) && n == \old(n)))) && ((((((((((((\old(n) <= 3 && \result <= 5) && 3 <= \old(n)) && 5 <= \result) && n == \old(n)) || (((((((\old(n) <= 1 && \old(m) <= 1) && 1 <= \old(n)) && 1 <= m) && 3 <= \result) && n == \old(n)) && m == \old(m)) && \result <= 3)) || (((2 <= \result && \old(n) == 0) && \result <= 2) && n == \old(n))) || !(\old(m) <= 1)) || ((6 <= \old(n) && 5 <= \result) && n == \old(n))) || ((((4 <= \result && \old(n) <= 2) && 2 <= \old(n)) && n == \old(n)) && \result <= 4)) || ((((\result <= 6 && 4 <= \old(n)) && 6 <= \result) && n == \old(n)) && \old(n) <= 4)) || (((7 <= \result && 5 <= \old(n)) && \result <= 7) && n == \old(n))) || !(1 <= \old(m)))) && (((((((((((\old(n) <= 1 && \old(m) <= 1) && 1 <= \old(n)) && 1 <= m) && 3 <= \result) && n == \old(n)) && m == \old(m)) && \result <= 3) || !(1 <= \old(n))) || !(\old(n) <= 1)) || 5 <= \result) || !(1 <= \old(m)))) && ((((\old(n) + 1 <= \result && n == \old(n)) && m == \old(m)) && \old(m) == 0) || 1 <= m)) && m == \old(m) - ProcedureContractResult [Line: 27]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.1s, OverallIterations: 16, TraceHistogramMax: 42, AutomataDifference: 43.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 253.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 931 SDtfs, 2099 SDslu, 1582 SDs, 0 SdLazy, 12115 SolverSat, 2036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1529 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 703 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16296 ImplicationChecksByTransitivity, 30.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 914 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 4931 PreInvPairs, 54250 NumberOfFragments, 2280 HoareAnnotationTreeSize, 4931 FomulaSimplifications, 2456026613 FormulaSimplificationTreeSizeReduction, 187.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 32844928 FormulaSimplificationTreeSizeReductionInter, 65.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...