/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/array-tiling/mlceu.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 14:52:19,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 14:52:19,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 14:52:19,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 14:52:19,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 14:52:19,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 14:52:19,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 14:52:19,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 14:52:19,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 14:52:19,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 14:52:19,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 14:52:19,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 14:52:19,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 14:52:19,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 14:52:19,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 14:52:19,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 14:52:19,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 14:52:19,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 14:52:19,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 14:52:19,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 14:52:19,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 14:52:19,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 14:52:19,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 14:52:19,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 14:52:19,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 14:52:19,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 14:52:19,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 14:52:19,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 14:52:19,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 14:52:19,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 14:52:19,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 14:52:19,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 14:52:19,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 14:52:19,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 14:52:19,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 14:52:19,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 14:52:19,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 14:52:19,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 14:52:19,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 14:52:19,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 14:52:19,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 14:52:19,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 14:52:19,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 14:52:19,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 14:52:19,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 14:52:19,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 14:52:19,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 14:52:19,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 14:52:19,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 14:52:19,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 14:52:19,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 14:52:19,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 14:52:19,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 14:52:19,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 14:52:19,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 14:52:19,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 14:52:19,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 14:52:19,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 14:52:19,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 14:52:19,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 14:52:19,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 14:52:19,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 14:52:19,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 14:52:19,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 14:52:19,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 14:52:19,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 14:52:19,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 14:52:19,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 14:52:19,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 14:52:19,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 14:52:19,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 14:52:19,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 14:52:20,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 14:52:20,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 14:52:20,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 14:52:20,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 14:52:20,353 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 14:52:20,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mlceu.c [2020-10-27 14:52:20,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e12c9ac46/3023e022339d491db7c536628750a73f/FLAGf0bdbba2f [2020-10-27 14:52:21,064 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 14:52:21,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-tiling/mlceu.c [2020-10-27 14:52:21,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e12c9ac46/3023e022339d491db7c536628750a73f/FLAGf0bdbba2f [2020-10-27 14:52:21,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e12c9ac46/3023e022339d491db7c536628750a73f [2020-10-27 14:52:21,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 14:52:21,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 14:52:21,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 14:52:21,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 14:52:21,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 14:52:21,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57907db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21, skipping insertion in model container [2020-10-27 14:52:21,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 14:52:21,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 14:52:21,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 14:52:21,735 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 14:52:21,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 14:52:21,773 INFO L208 MainTranslator]: Completed translation [2020-10-27 14:52:21,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21 WrapperNode [2020-10-27 14:52:21,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 14:52:21,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 14:52:21,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 14:52:21,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 14:52:21,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... [2020-10-27 14:52:21,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 14:52:21,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 14:52:21,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 14:52:21,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 14:52:21,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 14:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 14:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 14:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 14:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 14:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 14:52:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 14:52:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 14:52:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 14:52:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 14:52:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 14:52:21,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 14:52:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 14:52:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 14:52:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 14:52:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 14:52:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 14:52:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 14:52:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 14:52:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 14:52:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 14:52:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 14:52:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 14:52:22,205 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 14:52:22,206 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 14:52:22,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:52:22 BoogieIcfgContainer [2020-10-27 14:52:22,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 14:52:22,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 14:52:22,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 14:52:22,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 14:52:22,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:52:21" (1/3) ... [2020-10-27 14:52:22,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15749936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:52:22, skipping insertion in model container [2020-10-27 14:52:22,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:52:21" (2/3) ... [2020-10-27 14:52:22,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15749936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:52:22, skipping insertion in model container [2020-10-27 14:52:22,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:52:22" (3/3) ... [2020-10-27 14:52:22,221 INFO L111 eAbstractionObserver]: Analyzing ICFG mlceu.c [2020-10-27 14:52:22,246 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 14:52:22,263 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 14:52:22,316 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 14:52:22,346 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 14:52:22,346 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 14:52:22,346 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 14:52:22,346 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 14:52:22,347 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 14:52:22,347 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 14:52:22,347 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 14:52:22,347 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 14:52:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-10-27 14:52:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 14:52:22,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:22,373 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] [2020-10-27 14:52:22,374 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:22,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1717996045, now seen corresponding path program 1 times [2020-10-27 14:52:22,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:22,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537110775] [2020-10-27 14:52:22,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:22,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:22,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:22,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:22,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 14:52:22,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:52:22,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-27 14:52:22,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 14:52:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:22,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 14:52:22,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:22,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:23,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:23,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 14:52:23,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:23,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 14:52:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:23,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:23,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:23,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:52:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 14:52:23,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 14:52:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 14:52:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:52:23,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537110775] [2020-10-27 14:52:23,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 14:52:23,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 14:52:23,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388370876] [2020-10-27 14:52:23,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 14:52:23,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:23,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 14:52:23,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 14:52:23,098 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2020-10-27 14:52:23,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:23,239 INFO L93 Difference]: Finished difference Result 59 states and 73 transitions. [2020-10-27 14:52:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 14:52:23,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-27 14:52:23,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:23,251 INFO L225 Difference]: With dead ends: 59 [2020-10-27 14:52:23,251 INFO L226 Difference]: Without dead ends: 28 [2020-10-27 14:52:23,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 14:52:23,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-27 14:52:23,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-27 14:52:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-27 14:52:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-10-27 14:52:23,301 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 21 [2020-10-27 14:52:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:23,301 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-10-27 14:52:23,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 14:52:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-10-27 14:52:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 14:52:23,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:23,303 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] [2020-10-27 14:52:23,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 14:52:23,304 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:23,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:23,305 INFO L82 PathProgramCache]: Analyzing trace with hash -14883018, now seen corresponding path program 1 times [2020-10-27 14:52:23,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:23,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197140471] [2020-10-27 14:52:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:23,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:23,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 14:52:23,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:52:23,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-27 14:52:23,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 14:52:23,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:23,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 14:52:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 14:52:23,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:23,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:23,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:23,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:23,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 14:52:23,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:23,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:23,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:23,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:23,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:23,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:23,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:23,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:23,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:23,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:23,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 14:52:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:52:23,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197140471] [2020-10-27 14:52:23,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 14:52:23,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 14:52:23,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720679492] [2020-10-27 14:52:23,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 14:52:23,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:23,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 14:52:23,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 14:52:23,994 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 6 states. [2020-10-27 14:52:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:24,243 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2020-10-27 14:52:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 14:52:24,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-27 14:52:24,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:24,246 INFO L225 Difference]: With dead ends: 52 [2020-10-27 14:52:24,246 INFO L226 Difference]: Without dead ends: 35 [2020-10-27 14:52:24,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 14:52:24,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-27 14:52:24,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2020-10-27 14:52:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 14:52:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-10-27 14:52:24,262 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 21 [2020-10-27 14:52:24,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:24,262 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-10-27 14:52:24,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 14:52:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-10-27 14:52:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 14:52:24,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:24,264 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] [2020-10-27 14:52:24,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 14:52:24,264 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:24,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:24,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2141250081, now seen corresponding path program 1 times [2020-10-27 14:52:24,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:24,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49543462] [2020-10-27 14:52:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:24,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:24,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 14:52:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-27 14:52:24,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 14:52:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 14:52:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:24,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:24,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:24,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:24,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:24,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:24,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:24,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:24,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:24,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:24,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:52:24,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49543462] [2020-10-27 14:52:24,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:24,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 14:52:24,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211570313] [2020-10-27 14:52:24,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 14:52:24,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:24,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 14:52:24,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-27 14:52:24,639 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 9 states. [2020-10-27 14:52:24,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:24,975 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2020-10-27 14:52:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 14:52:24,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-27 14:52:24,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:24,977 INFO L225 Difference]: With dead ends: 43 [2020-10-27 14:52:24,977 INFO L226 Difference]: Without dead ends: 40 [2020-10-27 14:52:24,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-27 14:52:24,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-27 14:52:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2020-10-27 14:52:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-27 14:52:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-10-27 14:52:24,987 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 24 [2020-10-27 14:52:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:24,987 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-10-27 14:52:24,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 14:52:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-10-27 14:52:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 14:52:24,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:24,989 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] [2020-10-27 14:52:24,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 14:52:24,990 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash -459267061, now seen corresponding path program 1 times [2020-10-27 14:52:24,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:24,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086795505] [2020-10-27 14:52:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:25,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:25,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 14:52:25,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-27 14:52:25,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 14:52:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 14:52:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:25,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:25,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:25,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:25,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:25,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:25,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:25,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:25,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:25,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:25,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:25,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:25,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:25,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:25,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:25,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 14:52:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:25,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:25,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:25,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:25,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:52:25,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:25,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:52:25,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086795505] [2020-10-27 14:52:25,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:25,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 14:52:25,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290926827] [2020-10-27 14:52:25,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 14:52:25,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:25,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 14:52:25,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 14:52:25,330 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 8 states. [2020-10-27 14:52:25,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:25,588 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2020-10-27 14:52:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 14:52:25,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-10-27 14:52:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:25,591 INFO L225 Difference]: With dead ends: 77 [2020-10-27 14:52:25,591 INFO L226 Difference]: Without dead ends: 46 [2020-10-27 14:52:25,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-27 14:52:25,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-27 14:52:25,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2020-10-27 14:52:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 14:52:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-10-27 14:52:25,607 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 32 [2020-10-27 14:52:25,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:25,608 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-10-27 14:52:25,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 14:52:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-10-27 14:52:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-27 14:52:25,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:25,610 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 14:52:25,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 14:52:25,611 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:25,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:25,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1882277824, now seen corresponding path program 2 times [2020-10-27 14:52:25,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:25,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69138279] [2020-10-27 14:52:25,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:25,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:25,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:25,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 14:52:25,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-27 14:52:25,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 14:52:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 14:52:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:26,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:52:26,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:26,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:26,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:26,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 14:52:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:26,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:26,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:26,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:52:26,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69138279] [2020-10-27 14:52:26,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:26,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 14:52:26,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880346011] [2020-10-27 14:52:26,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 14:52:26,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:26,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 14:52:26,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-27 14:52:26,178 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 11 states. [2020-10-27 14:52:26,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:26,621 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2020-10-27 14:52:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 14:52:26,622 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2020-10-27 14:52:26,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:26,623 INFO L225 Difference]: With dead ends: 54 [2020-10-27 14:52:26,623 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 14:52:26,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-27 14:52:26,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 14:52:26,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2020-10-27 14:52:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-27 14:52:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2020-10-27 14:52:26,635 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 35 [2020-10-27 14:52:26,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:26,636 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2020-10-27 14:52:26,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 14:52:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2020-10-27 14:52:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 14:52:26,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:26,638 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-27 14:52:26,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 14:52:26,638 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:26,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1595839702, now seen corresponding path program 3 times [2020-10-27 14:52:26,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:26,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614563671] [2020-10-27 14:52:26,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 14:52:26,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-27 14:52:26,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 14:52:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 14:52:26,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:26,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:26,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:26,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:26,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 14:52:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:26,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:26,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:26,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 14:52:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:26,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:26,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:26,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:26,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:26,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:26,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:26,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 14:52:26,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614563671] [2020-10-27 14:52:26,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:26,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 14:52:26,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474730145] [2020-10-27 14:52:26,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 14:52:26,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:26,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 14:52:26,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 14:52:26,996 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 10 states. [2020-10-27 14:52:27,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:27,318 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2020-10-27 14:52:27,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 14:52:27,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-10-27 14:52:27,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:27,320 INFO L225 Difference]: With dead ends: 104 [2020-10-27 14:52:27,321 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 14:52:27,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-27 14:52:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 14:52:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-10-27 14:52:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 14:52:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2020-10-27 14:52:27,334 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 43 [2020-10-27 14:52:27,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:27,334 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2020-10-27 14:52:27,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 14:52:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2020-10-27 14:52:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 14:52:27,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:27,336 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:27,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 14:52:27,337 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:27,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:27,338 INFO L82 PathProgramCache]: Analyzing trace with hash 408261589, now seen corresponding path program 4 times [2020-10-27 14:52:27,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:27,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868415774] [2020-10-27 14:52:27,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:27,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 14:52:27,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-27 14:52:27,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 14:52:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 14:52:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:27,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:27,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:27,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:27,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:27,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 14:52:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 14:52:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:28,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:52:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:28,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:28,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:28,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:28,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 14:52:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:28,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:28,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:28,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 14:52:28,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868415774] [2020-10-27 14:52:28,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:28,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 14:52:28,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717551435] [2020-10-27 14:52:28,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 14:52:28,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:28,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 14:52:28,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-27 14:52:28,060 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 13 states. [2020-10-27 14:52:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:28,718 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2020-10-27 14:52:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 14:52:28,719 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 46 [2020-10-27 14:52:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:28,722 INFO L225 Difference]: With dead ends: 65 [2020-10-27 14:52:28,722 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 14:52:28,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2020-10-27 14:52:28,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 14:52:28,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2020-10-27 14:52:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 14:52:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-10-27 14:52:28,733 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 46 [2020-10-27 14:52:28,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:28,734 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-10-27 14:52:28,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 14:52:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-10-27 14:52:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 14:52:28,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:28,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-10-27 14:52:28,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 14:52:28,736 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:28,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:28,736 INFO L82 PathProgramCache]: Analyzing trace with hash 439476671, now seen corresponding path program 5 times [2020-10-27 14:52:28,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:28,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986503387] [2020-10-27 14:52:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:28,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:29,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:29,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 14:52:29,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-27 14:52:29,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:29,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 14:52:29,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:29,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 14:52:29,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:29,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:29,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:29,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:29,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:29,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:29,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 14:52:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:29,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:29,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:29,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:29,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:29,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:29,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 14:52:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:29,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:29,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:29,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:29,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:29,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 14:52:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:29,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:29,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:29,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:29,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 14:52:29,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986503387] [2020-10-27 14:52:29,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:29,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 14:52:29,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059054142] [2020-10-27 14:52:29,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 14:52:29,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:29,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 14:52:29,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 14:52:29,255 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 12 states. [2020-10-27 14:52:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:29,596 INFO L93 Difference]: Finished difference Result 131 states and 138 transitions. [2020-10-27 14:52:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 14:52:29,597 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2020-10-27 14:52:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:29,600 INFO L225 Difference]: With dead ends: 131 [2020-10-27 14:52:29,600 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 14:52:29,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-27 14:52:29,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 14:52:29,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 61. [2020-10-27 14:52:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-27 14:52:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-10-27 14:52:29,627 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 54 [2020-10-27 14:52:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:29,627 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-10-27 14:52:29,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 14:52:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-10-27 14:52:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 14:52:29,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:29,629 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:29,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 14:52:29,630 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash 398340148, now seen corresponding path program 6 times [2020-10-27 14:52:29,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:29,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989972720] [2020-10-27 14:52:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:29,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:30,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:30,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 14:52:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-27 14:52:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 14:52:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 14:52:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:30,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:30,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:30,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:30,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:30,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:30,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:30,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:30,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:30,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:30,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:30,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 14:52:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:30,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 14:52:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:30,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:30,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:30,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 14:52:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:30,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:30,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:30,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:30,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:30,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 14:52:30,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989972720] [2020-10-27 14:52:30,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:30,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 14:52:30,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424017562] [2020-10-27 14:52:30,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 14:52:30,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:30,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 14:52:30,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-27 14:52:30,300 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 15 states. [2020-10-27 14:52:31,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:31,059 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2020-10-27 14:52:31,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 14:52:31,060 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-10-27 14:52:31,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:31,061 INFO L225 Difference]: With dead ends: 76 [2020-10-27 14:52:31,062 INFO L226 Difference]: Without dead ends: 73 [2020-10-27 14:52:31,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2020-10-27 14:52:31,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-27 14:52:31,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-10-27 14:52:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-27 14:52:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2020-10-27 14:52:31,076 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 57 [2020-10-27 14:52:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:31,076 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2020-10-27 14:52:31,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 14:52:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-10-27 14:52:31,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 14:52:31,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:31,078 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:31,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 14:52:31,078 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:31,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:31,079 INFO L82 PathProgramCache]: Analyzing trace with hash -358371554, now seen corresponding path program 7 times [2020-10-27 14:52:31,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:31,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857433611] [2020-10-27 14:52:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 14:52:31,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-27 14:52:31,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 14:52:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 14:52:31,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:31,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:31,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:31,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 14:52:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:31,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:31,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:31,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 14:52:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:31,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:31,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:31,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 14:52:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:31,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:31,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 14:52:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:31,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:31,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:31,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:31,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:31,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:31,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:31,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 14:52:31,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857433611] [2020-10-27 14:52:31,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:31,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 14:52:31,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774809989] [2020-10-27 14:52:31,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 14:52:31,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:31,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 14:52:31,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-27 14:52:31,793 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 14 states. [2020-10-27 14:52:32,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:32,242 INFO L93 Difference]: Finished difference Result 158 states and 165 transitions. [2020-10-27 14:52:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 14:52:32,243 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 65 [2020-10-27 14:52:32,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:32,246 INFO L225 Difference]: With dead ends: 158 [2020-10-27 14:52:32,246 INFO L226 Difference]: Without dead ends: 79 [2020-10-27 14:52:32,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-27 14:52:32,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-27 14:52:32,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2020-10-27 14:52:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-27 14:52:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2020-10-27 14:52:32,272 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 65 [2020-10-27 14:52:32,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:32,273 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2020-10-27 14:52:32,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 14:52:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2020-10-27 14:52:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-27 14:52:32,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:32,277 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:32,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 14:52:32,277 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:32,278 INFO L82 PathProgramCache]: Analyzing trace with hash -500484727, now seen corresponding path program 8 times [2020-10-27 14:52:32,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:32,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350545373] [2020-10-27 14:52:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 14:52:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-27 14:52:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 14:52:32,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:32,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 14:52:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:33,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:33,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:33,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:33,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:33,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:33,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:33,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:33,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:33,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:33,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:33,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:33,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 14:52:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:33,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:33,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:33,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:33,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:33,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:33,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:33,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 14:52:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:33,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:33,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:33,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:33,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:33,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:33,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 14:52:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:33,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 14:52:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:33,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 14:52:33,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350545373] [2020-10-27 14:52:33,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:33,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 14:52:33,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986263675] [2020-10-27 14:52:33,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 14:52:33,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:33,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 14:52:33,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-27 14:52:33,274 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 17 states. [2020-10-27 14:52:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:34,176 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2020-10-27 14:52:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 14:52:34,177 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 68 [2020-10-27 14:52:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:34,178 INFO L225 Difference]: With dead ends: 87 [2020-10-27 14:52:34,178 INFO L226 Difference]: Without dead ends: 84 [2020-10-27 14:52:34,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2020-10-27 14:52:34,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-27 14:52:34,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-10-27 14:52:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-27 14:52:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2020-10-27 14:52:34,204 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 68 [2020-10-27 14:52:34,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:34,204 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2020-10-27 14:52:34,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 14:52:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2020-10-27 14:52:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 14:52:34,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:34,208 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:34,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 14:52:34,208 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:34,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1997238413, now seen corresponding path program 9 times [2020-10-27 14:52:34,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:34,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473197329] [2020-10-27 14:52:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:34,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:34,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 14:52:34,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:34,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-27 14:52:34,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 14:52:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:34,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 14:52:34,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:34,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:34,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:34,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:34,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:34,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:34,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:34,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:34,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:34,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:34,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:34,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 14:52:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:34,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:35,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:35,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:35,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:35,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:35,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:35,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:35,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 14:52:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:35,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:35,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:35,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:35,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:35,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 14:52:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:35,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:35,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:35,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:35,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:35,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:35,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:35,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:35,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:35,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:35,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:35,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 14:52:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:35,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:35,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:35,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:35,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:35,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:35,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:35,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:35,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:35,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:35,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 14:52:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:35,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:35,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:35,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 60 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 14:52:35,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473197329] [2020-10-27 14:52:35,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:35,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 14:52:35,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227415320] [2020-10-27 14:52:35,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 14:52:35,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:35,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 14:52:35,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-27 14:52:35,050 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 16 states. [2020-10-27 14:52:35,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:35,510 INFO L93 Difference]: Finished difference Result 185 states and 192 transitions. [2020-10-27 14:52:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 14:52:35,510 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 76 [2020-10-27 14:52:35,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:35,512 INFO L225 Difference]: With dead ends: 185 [2020-10-27 14:52:35,512 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 14:52:35,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-10-27 14:52:35,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 14:52:35,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83. [2020-10-27 14:52:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 14:52:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 85 transitions. [2020-10-27 14:52:35,524 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 85 transitions. Word has length 76 [2020-10-27 14:52:35,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:35,524 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 85 transitions. [2020-10-27 14:52:35,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 14:52:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2020-10-27 14:52:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 14:52:35,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:35,525 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:35,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 14:52:35,526 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:35,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1696765912, now seen corresponding path program 10 times [2020-10-27 14:52:35,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:35,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256905287] [2020-10-27 14:52:35,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:35,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 14:52:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:36,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:36,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:36,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:36,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 14:52:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 14:52:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:36,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:36,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 14:52:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:36,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:36,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:36,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:36,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 14:52:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:36,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:36,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:52:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:36,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:36,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:36,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:36,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:36,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:36,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 10 proven. 101 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 14:52:36,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256905287] [2020-10-27 14:52:36,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:36,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 14:52:36,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945904058] [2020-10-27 14:52:36,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 14:52:36,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:36,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 14:52:36,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2020-10-27 14:52:36,674 INFO L87 Difference]: Start difference. First operand 83 states and 85 transitions. Second operand 19 states. [2020-10-27 14:52:37,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:37,661 INFO L93 Difference]: Finished difference Result 98 states and 100 transitions. [2020-10-27 14:52:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 14:52:37,662 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 79 [2020-10-27 14:52:37,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:37,663 INFO L225 Difference]: With dead ends: 98 [2020-10-27 14:52:37,663 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 14:52:37,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 14:52:37,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 14:52:37,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2020-10-27 14:52:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-27 14:52:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2020-10-27 14:52:37,685 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 79 [2020-10-27 14:52:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:37,686 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2020-10-27 14:52:37,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 14:52:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2020-10-27 14:52:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 14:52:37,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:37,688 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2020-10-27 14:52:37,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 14:52:37,688 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:37,689 INFO L82 PathProgramCache]: Analyzing trace with hash -472534254, now seen corresponding path program 11 times [2020-10-27 14:52:37,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:37,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213316510] [2020-10-27 14:52:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 14:52:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-27 14:52:38,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 14:52:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 14:52:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:38,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:38,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 14:52:38,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:38,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 14:52:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:38,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:38,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 14:52:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 14:52:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:38,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 14:52:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:38,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:52:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:38,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 14:52:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:38,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:38,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:38,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 63 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 14:52:38,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213316510] [2020-10-27 14:52:38,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:38,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 14:52:38,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609270208] [2020-10-27 14:52:38,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 14:52:38,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:38,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 14:52:38,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2020-10-27 14:52:38,598 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand 18 states. [2020-10-27 14:52:39,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:39,135 INFO L93 Difference]: Finished difference Result 212 states and 219 transitions. [2020-10-27 14:52:39,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 14:52:39,135 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 87 [2020-10-27 14:52:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:39,137 INFO L225 Difference]: With dead ends: 212 [2020-10-27 14:52:39,137 INFO L226 Difference]: Without dead ends: 101 [2020-10-27 14:52:39,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2020-10-27 14:52:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-27 14:52:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 94. [2020-10-27 14:52:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-27 14:52:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2020-10-27 14:52:39,151 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 87 [2020-10-27 14:52:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:39,151 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2020-10-27 14:52:39,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 14:52:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2020-10-27 14:52:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 14:52:39,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:39,152 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:39,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 14:52:39,153 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:39,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:39,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1695532861, now seen corresponding path program 12 times [2020-10-27 14:52:39,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:39,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966069963] [2020-10-27 14:52:39,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:39,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:39,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:39,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 14:52:39,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-10-27 14:52:39,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 14:52:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 14:52:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:40,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 14:52:40,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:40,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 14:52:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:40,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 14:52:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 14:52:40,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:52:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 14:52:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:52:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:40,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 14:52:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 14:52:40,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 14:52:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:40,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:40,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:40,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:40,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:40,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:40,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:40,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:40,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 142 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 14:52:40,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966069963] [2020-10-27 14:52:40,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:40,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 14:52:40,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923496289] [2020-10-27 14:52:40,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 14:52:40,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:40,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 14:52:40,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-27 14:52:40,555 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand 21 states. [2020-10-27 14:52:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:41,963 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2020-10-27 14:52:41,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 14:52:41,964 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 90 [2020-10-27 14:52:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:41,965 INFO L225 Difference]: With dead ends: 109 [2020-10-27 14:52:41,965 INFO L226 Difference]: Without dead ends: 106 [2020-10-27 14:52:41,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=126, Invalid=1356, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 14:52:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-27 14:52:41,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2020-10-27 14:52:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 14:52:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2020-10-27 14:52:41,978 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 90 [2020-10-27 14:52:41,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:41,978 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2020-10-27 14:52:41,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 14:52:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2020-10-27 14:52:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-27 14:52:41,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:41,980 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:41,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 14:52:41,980 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:41,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:41,981 INFO L82 PathProgramCache]: Analyzing trace with hash -355062489, now seen corresponding path program 13 times [2020-10-27 14:52:41,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:41,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640603796] [2020-10-27 14:52:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:42,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:42,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:42,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 14:52:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:42,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:42,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:43,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:43,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:43,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 14:52:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:43,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 14:52:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 14:52:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:43,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:52:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:43,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 14:52:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:43,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 14:52:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:43,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 14:52:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:43,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:43,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:43,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 112 proven. 70 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 14:52:43,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640603796] [2020-10-27 14:52:43,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:43,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 14:52:43,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634847157] [2020-10-27 14:52:43,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 14:52:43,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:43,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 14:52:43,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-27 14:52:43,101 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 20 states. [2020-10-27 14:52:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:43,704 INFO L93 Difference]: Finished difference Result 239 states and 246 transitions. [2020-10-27 14:52:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 14:52:43,705 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 98 [2020-10-27 14:52:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:43,707 INFO L225 Difference]: With dead ends: 239 [2020-10-27 14:52:43,708 INFO L226 Difference]: Without dead ends: 112 [2020-10-27 14:52:43,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=619, Unknown=0, NotChecked=0, Total=812 [2020-10-27 14:52:43,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-27 14:52:43,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 105. [2020-10-27 14:52:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-27 14:52:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 107 transitions. [2020-10-27 14:52:43,723 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 107 transitions. Word has length 98 [2020-10-27 14:52:43,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:43,724 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 107 transitions. [2020-10-27 14:52:43,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 14:52:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 107 transitions. [2020-10-27 14:52:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 14:52:43,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:43,725 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:43,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 14:52:43,726 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:43,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:43,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1830707228, now seen corresponding path program 14 times [2020-10-27 14:52:43,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:43,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934429886] [2020-10-27 14:52:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:43,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:44,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:44,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 14:52:44,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:44,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 925 [2020-10-27 14:52:44,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 14:52:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:44,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 14:52:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:45,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:45,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:45,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:45,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 14:52:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:45,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:52:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:45,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 14:52:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 14:52:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:45,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 14:52:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:45,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 14:52:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:45,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 14:52:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:45,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:45,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:45,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 14 proven. 190 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 14:52:45,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934429886] [2020-10-27 14:52:45,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:45,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 14:52:45,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704870180] [2020-10-27 14:52:45,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 14:52:45,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:45,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 14:52:45,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-27 14:52:45,194 INFO L87 Difference]: Start difference. First operand 105 states and 107 transitions. Second operand 23 states. [2020-10-27 14:52:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:46,744 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2020-10-27 14:52:46,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 14:52:46,745 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 101 [2020-10-27 14:52:46,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:46,746 INFO L225 Difference]: With dead ends: 120 [2020-10-27 14:52:46,746 INFO L226 Difference]: Without dead ends: 117 [2020-10-27 14:52:46,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=1667, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 14:52:46,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-27 14:52:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2020-10-27 14:52:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-27 14:52:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2020-10-27 14:52:46,770 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 101 [2020-10-27 14:52:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:46,771 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2020-10-27 14:52:46,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 14:52:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2020-10-27 14:52:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-27 14:52:46,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:46,772 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:46,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 14:52:46,772 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:46,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:46,773 INFO L82 PathProgramCache]: Analyzing trace with hash -831949050, now seen corresponding path program 15 times [2020-10-27 14:52:46,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:46,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946371954] [2020-10-27 14:52:46,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:46,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 14:52:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-10-27 14:52:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 14:52:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-27 14:52:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:47,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:47,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:47,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:47,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 14:52:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:47,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 14:52:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 14:52:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:47,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 14:52:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 14:52:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 14:52:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 14:52:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:47,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 14:52:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:47,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:47,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 144 proven. 92 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-27 14:52:47,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946371954] [2020-10-27 14:52:47,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:47,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 14:52:47,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803465183] [2020-10-27 14:52:47,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 14:52:47,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:47,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 14:52:47,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-27 14:52:47,950 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand 22 states. [2020-10-27 14:52:48,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:48,650 INFO L93 Difference]: Finished difference Result 266 states and 273 transitions. [2020-10-27 14:52:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 14:52:48,650 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 109 [2020-10-27 14:52:48,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:48,652 INFO L225 Difference]: With dead ends: 266 [2020-10-27 14:52:48,652 INFO L226 Difference]: Without dead ends: 123 [2020-10-27 14:52:48,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2020-10-27 14:52:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-27 14:52:48,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 116. [2020-10-27 14:52:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-27 14:52:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 118 transitions. [2020-10-27 14:52:48,666 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 118 transitions. Word has length 109 [2020-10-27 14:52:48,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:48,666 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 118 transitions. [2020-10-27 14:52:48,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 14:52:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 118 transitions. [2020-10-27 14:52:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 14:52:48,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:48,669 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:48,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 14:52:48,670 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:48,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:48,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1636742927, now seen corresponding path program 16 times [2020-10-27 14:52:48,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:48,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46145281] [2020-10-27 14:52:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:48,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:49,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:49,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 14:52:49,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:49,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1088 [2020-10-27 14:52:49,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 14:52:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 14:52:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:50,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:50,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:52:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:50,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 14:52:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 14:52:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:50,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 14:52:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 14:52:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:50,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 14:52:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:50,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 14:52:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:50,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 14:52:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:50,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:50,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:50,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:50,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:50,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 16 proven. 245 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-27 14:52:50,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46145281] [2020-10-27 14:52:50,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:50,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 14:52:50,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253651511] [2020-10-27 14:52:50,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 14:52:50,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:50,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 14:52:50,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2020-10-27 14:52:50,364 INFO L87 Difference]: Start difference. First operand 116 states and 118 transitions. Second operand 25 states. [2020-10-27 14:52:52,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:52,263 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2020-10-27 14:52:52,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 14:52:52,264 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2020-10-27 14:52:52,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:52,265 INFO L225 Difference]: With dead ends: 131 [2020-10-27 14:52:52,265 INFO L226 Difference]: Without dead ends: 128 [2020-10-27 14:52:52,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=149, Invalid=1921, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 14:52:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-27 14:52:52,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2020-10-27 14:52:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-27 14:52:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2020-10-27 14:52:52,283 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 112 [2020-10-27 14:52:52,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:52,284 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2020-10-27 14:52:52,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 14:52:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2020-10-27 14:52:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 14:52:52,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:52,286 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:52,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 14:52:52,286 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:52,286 INFO L82 PathProgramCache]: Analyzing trace with hash -280708389, now seen corresponding path program 17 times [2020-10-27 14:52:52,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:52,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151083728] [2020-10-27 14:52:52,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:52,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 14:52:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-27 14:52:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 14:52:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 14:52:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:53,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:53,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:53,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:52:53,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 14:52:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 14:52:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:53,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 14:52:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:52:53,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 14:52:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:53,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 14:52:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:53,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 14:52:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 14:52:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:53,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 14:52:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:53,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:52:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:53,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:53,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:53,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:52:53,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 180 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 14:52:53,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151083728] [2020-10-27 14:52:53,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:53,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 14:52:53,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248589933] [2020-10-27 14:52:53,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 14:52:53,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:53,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 14:52:53,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-27 14:52:53,641 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand 24 states. [2020-10-27 14:52:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:54,420 INFO L93 Difference]: Finished difference Result 293 states and 300 transitions. [2020-10-27 14:52:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 14:52:54,421 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 120 [2020-10-27 14:52:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:54,422 INFO L225 Difference]: With dead ends: 293 [2020-10-27 14:52:54,423 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 14:52:54,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 14:52:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 14:52:54,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2020-10-27 14:52:54,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-27 14:52:54,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2020-10-27 14:52:54,440 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 120 [2020-10-27 14:52:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:54,440 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2020-10-27 14:52:54,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 14:52:54,440 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2020-10-27 14:52:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 14:52:54,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:54,442 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:54,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 14:52:54,442 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:54,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:54,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1124919280, now seen corresponding path program 18 times [2020-10-27 14:52:54,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:54,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727037187] [2020-10-27 14:52:54,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:54,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:55,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:55,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1054 [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 14:52:55,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:52:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:52:56,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:52:56,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:52:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:52:56,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:52:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:52:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 14:52:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:56,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 14:52:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:56,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 14:52:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:52:56,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 14:52:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 14:52:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:56,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 14:52:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 14:52:56,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 14:52:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:52:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:56,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 14:52:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:56,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:56,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:56,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:52:56,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:52:56,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:52:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:52:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:52:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:52:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 18 proven. 307 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 14:52:56,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727037187] [2020-10-27 14:52:56,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:52:56,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 14:52:56,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123496534] [2020-10-27 14:52:56,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 14:52:56,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:52:56,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 14:52:56,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-27 14:52:56,328 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand 27 states. [2020-10-27 14:52:58,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:52:58,673 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2020-10-27 14:52:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 14:52:58,674 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 123 [2020-10-27 14:52:58,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:52:58,676 INFO L225 Difference]: With dead ends: 142 [2020-10-27 14:52:58,676 INFO L226 Difference]: Without dead ends: 139 [2020-10-27 14:52:58,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=160, Invalid=2290, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 14:52:58,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-27 14:52:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2020-10-27 14:52:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-27 14:52:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 137 transitions. [2020-10-27 14:52:58,691 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 137 transitions. Word has length 123 [2020-10-27 14:52:58,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:52:58,692 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 137 transitions. [2020-10-27 14:52:58,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 14:52:58,692 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 137 transitions. [2020-10-27 14:52:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 14:52:58,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:52:58,694 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:52:58,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 14:52:58,694 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:52:58,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:52:58,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1188100858, now seen corresponding path program 19 times [2020-10-27 14:52:58,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:52:58,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396427368] [2020-10-27 14:52:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:52:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:52:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:52:59,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:52:59,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 14:52:59,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:52:59,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1056 [2020-10-27 14:52:59,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:52:59,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 14:52:59,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:52:59,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 14:52:59,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:00,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:00,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 14:53:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 14:53:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:53:00,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 14:53:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 14:53:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 14:53:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:00,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 14:53:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:00,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 14:53:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:53:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:00,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 14:53:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:53:00,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 14:53:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:00,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:00,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:00,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 220 proven. 145 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 14:53:00,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396427368] [2020-10-27 14:53:00,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:00,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 14:53:00,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659079305] [2020-10-27 14:53:00,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 14:53:00,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:00,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 14:53:00,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-27 14:53:00,307 INFO L87 Difference]: Start difference. First operand 135 states and 137 transitions. Second operand 26 states. [2020-10-27 14:53:01,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:01,189 INFO L93 Difference]: Finished difference Result 320 states and 327 transitions. [2020-10-27 14:53:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 14:53:01,191 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 131 [2020-10-27 14:53:01,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:01,192 INFO L225 Difference]: With dead ends: 320 [2020-10-27 14:53:01,193 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 14:53:01,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 14:53:01,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 14:53:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 138. [2020-10-27 14:53:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 14:53:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 140 transitions. [2020-10-27 14:53:01,210 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 140 transitions. Word has length 131 [2020-10-27 14:53:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:01,211 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 140 transitions. [2020-10-27 14:53:01,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 14:53:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 140 transitions. [2020-10-27 14:53:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 14:53:01,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:01,212 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:01,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 14:53:01,212 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:01,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:01,213 INFO L82 PathProgramCache]: Analyzing trace with hash -516048219, now seen corresponding path program 20 times [2020-10-27 14:53:01,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:01,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77047422] [2020-10-27 14:53:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:01,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:02,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1307 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 14:53:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:03,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:03,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:03,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 14:53:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 14:53:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 14:53:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 14:53:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:03,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 14:53:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:53:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:53:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 14:53:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 14:53:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 14:53:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:03,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:03,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:03,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:03,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:03,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 20 proven. 376 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 14:53:03,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77047422] [2020-10-27 14:53:03,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:03,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 14:53:03,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107188167] [2020-10-27 14:53:03,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 14:53:03,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:03,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 14:53:03,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-27 14:53:03,482 INFO L87 Difference]: Start difference. First operand 138 states and 140 transitions. Second operand 29 states. [2020-10-27 14:53:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:06,352 INFO L93 Difference]: Finished difference Result 153 states and 155 transitions. [2020-10-27 14:53:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 14:53:06,352 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 134 [2020-10-27 14:53:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:06,354 INFO L225 Difference]: With dead ends: 153 [2020-10-27 14:53:06,354 INFO L226 Difference]: Without dead ends: 150 [2020-10-27 14:53:06,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=173, Invalid=2689, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 14:53:06,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-27 14:53:06,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2020-10-27 14:53:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-27 14:53:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 148 transitions. [2020-10-27 14:53:06,384 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 148 transitions. Word has length 134 [2020-10-27 14:53:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:06,388 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 148 transitions. [2020-10-27 14:53:06,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 14:53:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2020-10-27 14:53:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 14:53:06,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:06,389 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:06,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 14:53:06,390 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:06,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:06,390 INFO L82 PathProgramCache]: Analyzing trace with hash 456013967, now seen corresponding path program 21 times [2020-10-27 14:53:06,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:06,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576516766] [2020-10-27 14:53:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:06,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:07,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1170 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-27 14:53:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:07,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:07,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:07,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:07,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:07,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 14:53:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:07,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:07,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:07,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:07,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:07,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 14:53:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:07,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 14:53:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 14:53:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 14:53:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:53:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:53:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 14:53:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:08,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 14:53:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 14:53:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 14:53:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:08,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:08,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:08,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:08,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:08,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:08,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 264 proven. 176 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 14:53:08,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576516766] [2020-10-27 14:53:08,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:08,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 14:53:08,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689484420] [2020-10-27 14:53:08,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 14:53:08,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:08,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 14:53:08,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-27 14:53:08,099 INFO L87 Difference]: Start difference. First operand 146 states and 148 transitions. Second operand 28 states. [2020-10-27 14:53:09,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:09,127 INFO L93 Difference]: Finished difference Result 347 states and 354 transitions. [2020-10-27 14:53:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 14:53:09,128 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 142 [2020-10-27 14:53:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:09,131 INFO L225 Difference]: With dead ends: 347 [2020-10-27 14:53:09,131 INFO L226 Difference]: Without dead ends: 156 [2020-10-27 14:53:09,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=381, Invalid=1259, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 14:53:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-27 14:53:09,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 149. [2020-10-27 14:53:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-27 14:53:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 151 transitions. [2020-10-27 14:53:09,156 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 151 transitions. Word has length 142 [2020-10-27 14:53:09,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:09,156 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 151 transitions. [2020-10-27 14:53:09,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 14:53:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 151 transitions. [2020-10-27 14:53:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 14:53:09,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:09,159 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:09,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 14:53:09,160 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:09,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1286762492, now seen corresponding path program 22 times [2020-10-27 14:53:09,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:09,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703769430] [2020-10-27 14:53:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:09,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1416 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 14:53:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:11,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:11,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:11,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:11,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:11,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 14:53:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 14:53:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 14:53:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 14:53:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:53:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 14:53:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:11,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 14:53:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 14:53:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 14:53:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 14:53:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 14:53:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:11,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:11,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:11,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 22 proven. 452 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 14:53:11,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703769430] [2020-10-27 14:53:11,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:11,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 14:53:11,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813068436] [2020-10-27 14:53:11,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 14:53:11,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:11,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 14:53:11,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-27 14:53:11,515 INFO L87 Difference]: Start difference. First operand 149 states and 151 transitions. Second operand 31 states. [2020-10-27 14:53:14,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:14,567 INFO L93 Difference]: Finished difference Result 164 states and 166 transitions. [2020-10-27 14:53:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 14:53:14,567 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-27 14:53:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:14,569 INFO L225 Difference]: With dead ends: 164 [2020-10-27 14:53:14,570 INFO L226 Difference]: Without dead ends: 161 [2020-10-27 14:53:14,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=191, Invalid=3231, Unknown=0, NotChecked=0, Total=3422 [2020-10-27 14:53:14,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-27 14:53:14,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2020-10-27 14:53:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-27 14:53:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 159 transitions. [2020-10-27 14:53:14,588 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 159 transitions. Word has length 145 [2020-10-27 14:53:14,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:14,588 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 159 transitions. [2020-10-27 14:53:14,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 14:53:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 159 transitions. [2020-10-27 14:53:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 14:53:14,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:14,590 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:14,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 14:53:14,590 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:14,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:14,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1677606638, now seen corresponding path program 23 times [2020-10-27 14:53:14,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:14,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125769608] [2020-10-27 14:53:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:15,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:15,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 14:53:15,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:15,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1227 [2020-10-27 14:53:15,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:15,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 14:53:15,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:15,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 14:53:15,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:16,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:53:16,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:16,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:16,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:16,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:16,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 14:53:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 14:53:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 14:53:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 14:53:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:16,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:53:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 14:53:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 14:53:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:16,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 14:53:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 14:53:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 14:53:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 14:53:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 14:53:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:16,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:16,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:16,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:16,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:16,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:16,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:16,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 312 proven. 210 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-27 14:53:16,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125769608] [2020-10-27 14:53:16,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:16,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 14:53:16,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249700624] [2020-10-27 14:53:16,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 14:53:16,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:16,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 14:53:16,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-27 14:53:16,542 INFO L87 Difference]: Start difference. First operand 157 states and 159 transitions. Second operand 30 states. [2020-10-27 14:53:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:17,680 INFO L93 Difference]: Finished difference Result 374 states and 381 transitions. [2020-10-27 14:53:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 14:53:17,680 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 153 [2020-10-27 14:53:17,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:17,683 INFO L225 Difference]: With dead ends: 374 [2020-10-27 14:53:17,683 INFO L226 Difference]: Without dead ends: 167 [2020-10-27 14:53:17,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=438, Invalid=1454, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 14:53:17,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-27 14:53:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 160. [2020-10-27 14:53:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-27 14:53:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 162 transitions. [2020-10-27 14:53:17,700 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 162 transitions. Word has length 153 [2020-10-27 14:53:17,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:17,700 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 162 transitions. [2020-10-27 14:53:17,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 14:53:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 162 transitions. [2020-10-27 14:53:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 14:53:17,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:17,702 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:17,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-27 14:53:17,702 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:17,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1243407271, now seen corresponding path program 24 times [2020-10-27 14:53:17,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:17,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593204845] [2020-10-27 14:53:17,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:17,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1398 [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 14:53:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-27 14:53:19,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:20,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:20,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:20,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 14:53:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 14:53:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:53:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:53:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 14:53:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 14:53:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 14:53:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 14:53:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 14:53:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 14:53:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 14:53:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:53:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:20,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 24 proven. 535 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-27 14:53:20,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593204845] [2020-10-27 14:53:20,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:20,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-27 14:53:20,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039882308] [2020-10-27 14:53:20,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-27 14:53:20,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:20,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-27 14:53:20,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=991, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 14:53:20,169 INFO L87 Difference]: Start difference. First operand 160 states and 162 transitions. Second operand 33 states. [2020-10-27 14:53:23,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:23,703 INFO L93 Difference]: Finished difference Result 175 states and 177 transitions. [2020-10-27 14:53:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-27 14:53:23,704 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 156 [2020-10-27 14:53:23,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:23,706 INFO L225 Difference]: With dead ends: 175 [2020-10-27 14:53:23,706 INFO L226 Difference]: Without dead ends: 172 [2020-10-27 14:53:23,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=201, Invalid=3581, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 14:53:23,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-27 14:53:23,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2020-10-27 14:53:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-10-27 14:53:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 170 transitions. [2020-10-27 14:53:23,725 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 170 transitions. Word has length 156 [2020-10-27 14:53:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:23,725 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 170 transitions. [2020-10-27 14:53:23,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-27 14:53:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 170 transitions. [2020-10-27 14:53:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 14:53:23,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:23,727 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:23,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-27 14:53:23,727 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:23,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1459575229, now seen corresponding path program 25 times [2020-10-27 14:53:23,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:23,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112379342] [2020-10-27 14:53:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 14:53:25,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-27 14:53:25,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 14:53:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 14:53:25,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:25,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 14:53:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 14:53:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 14:53:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:53:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 14:53:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 14:53:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 14:53:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 14:53:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 14:53:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 14:53:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 14:53:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:53:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:53:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:25,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:25,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:25,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 364 proven. 247 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-27 14:53:25,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112379342] [2020-10-27 14:53:25,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:25,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 14:53:25,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872866023] [2020-10-27 14:53:25,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 14:53:25,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:25,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 14:53:25,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-27 14:53:25,661 INFO L87 Difference]: Start difference. First operand 168 states and 170 transitions. Second operand 32 states. [2020-10-27 14:53:26,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:26,937 INFO L93 Difference]: Finished difference Result 401 states and 408 transitions. [2020-10-27 14:53:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 14:53:26,938 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 164 [2020-10-27 14:53:26,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:26,940 INFO L225 Difference]: With dead ends: 401 [2020-10-27 14:53:26,940 INFO L226 Difference]: Without dead ends: 178 [2020-10-27 14:53:26,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 14:53:26,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-27 14:53:26,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 171. [2020-10-27 14:53:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-27 14:53:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2020-10-27 14:53:26,959 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 164 [2020-10-27 14:53:26,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:26,959 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2020-10-27 14:53:26,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 14:53:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2020-10-27 14:53:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 14:53:26,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:26,960 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:26,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-27 14:53:26,961 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:26,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:26,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1818245128, now seen corresponding path program 26 times [2020-10-27 14:53:26,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:26,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560570107] [2020-10-27 14:53:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:28,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:28,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 14:53:28,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-10-27 14:53:28,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 14:53:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 14:53:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:29,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:29,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:29,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 14:53:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:53:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 14:53:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 14:53:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 14:53:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 14:53:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 14:53:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 14:53:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:29,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 14:53:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 14:53:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:53:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 14:53:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 14:53:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:29,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:29,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:29,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:29,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 26 proven. 625 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-27 14:53:29,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560570107] [2020-10-27 14:53:29,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:29,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-27 14:53:29,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795536291] [2020-10-27 14:53:29,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-27 14:53:29,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:29,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-27 14:53:29,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1121, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 14:53:29,477 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand 35 states. [2020-10-27 14:53:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:33,398 INFO L93 Difference]: Finished difference Result 186 states and 188 transitions. [2020-10-27 14:53:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 14:53:33,399 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 167 [2020-10-27 14:53:33,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:33,401 INFO L225 Difference]: With dead ends: 186 [2020-10-27 14:53:33,402 INFO L226 Difference]: Without dead ends: 183 [2020-10-27 14:53:33,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=214, Invalid=4076, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 14:53:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-27 14:53:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2020-10-27 14:53:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-27 14:53:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 181 transitions. [2020-10-27 14:53:33,421 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 181 transitions. Word has length 167 [2020-10-27 14:53:33,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:33,422 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 181 transitions. [2020-10-27 14:53:33,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-27 14:53:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 181 transitions. [2020-10-27 14:53:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-27 14:53:33,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:33,423 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:33,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-27 14:53:33,424 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:33,424 INFO L82 PathProgramCache]: Analyzing trace with hash -681360670, now seen corresponding path program 27 times [2020-10-27 14:53:33,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:33,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234777043] [2020-10-27 14:53:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:33,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-27 14:53:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:35,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:53:35,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:35,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 14:53:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 14:53:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:53:35,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 14:53:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 14:53:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 14:53:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 14:53:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 14:53:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 14:53:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 14:53:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:35,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 14:53:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:53:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 14:53:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 14:53:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 14:53:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:35,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 420 proven. 287 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-27 14:53:35,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234777043] [2020-10-27 14:53:35,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:35,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 14:53:35,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385154629] [2020-10-27 14:53:35,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 14:53:35,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:35,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 14:53:35,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 14:53:35,433 INFO L87 Difference]: Start difference. First operand 179 states and 181 transitions. Second operand 34 states. [2020-10-27 14:53:36,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:36,850 INFO L93 Difference]: Finished difference Result 428 states and 435 transitions. [2020-10-27 14:53:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 14:53:36,851 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 175 [2020-10-27 14:53:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:36,852 INFO L225 Difference]: With dead ends: 428 [2020-10-27 14:53:36,853 INFO L226 Difference]: Without dead ends: 189 [2020-10-27 14:53:36,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 14:53:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-27 14:53:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 182. [2020-10-27 14:53:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-27 14:53:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 184 transitions. [2020-10-27 14:53:36,873 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 184 transitions. Word has length 175 [2020-10-27 14:53:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:36,873 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 184 transitions. [2020-10-27 14:53:36,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 14:53:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 184 transitions. [2020-10-27 14:53:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-27 14:53:36,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:36,875 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:36,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-27 14:53:36,875 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:36,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:36,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1169199603, now seen corresponding path program 28 times [2020-10-27 14:53:36,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:36,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227838619] [2020-10-27 14:53:36,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:38,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:38,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 14:53:38,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1656 [2020-10-27 14:53:38,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 14:53:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:38,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-27 14:53:38,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:39,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:39,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:53:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:39,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 14:53:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 14:53:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 14:53:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:39,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 14:53:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 14:53:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 14:53:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 14:53:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:53:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:53:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 14:53:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 14:53:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 14:53:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:39,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 14:53:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:39,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 28 proven. 722 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-27 14:53:40,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227838619] [2020-10-27 14:53:40,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:40,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-27 14:53:40,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605075919] [2020-10-27 14:53:40,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-27 14:53:40,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:40,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-27 14:53:40,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 14:53:40,042 INFO L87 Difference]: Start difference. First operand 182 states and 184 transitions. Second operand 37 states. [2020-10-27 14:53:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:44,901 INFO L93 Difference]: Finished difference Result 197 states and 199 transitions. [2020-10-27 14:53:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 14:53:44,903 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 178 [2020-10-27 14:53:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:44,905 INFO L225 Difference]: With dead ends: 197 [2020-10-27 14:53:44,905 INFO L226 Difference]: Without dead ends: 194 [2020-10-27 14:53:44,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=230, Invalid=4740, Unknown=0, NotChecked=0, Total=4970 [2020-10-27 14:53:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-27 14:53:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 190. [2020-10-27 14:53:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-27 14:53:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 192 transitions. [2020-10-27 14:53:44,927 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 192 transitions. Word has length 178 [2020-10-27 14:53:44,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:44,928 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 192 transitions. [2020-10-27 14:53:44,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-27 14:53:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 192 transitions. [2020-10-27 14:53:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-27 14:53:44,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:44,929 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:44,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-27 14:53:44,929 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:44,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:44,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1755972599, now seen corresponding path program 29 times [2020-10-27 14:53:44,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:44,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453517537] [2020-10-27 14:53:44,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-27 14:53:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:47,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:47,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:47,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:47,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:53:47,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 14:53:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:47,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 14:53:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 14:53:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 14:53:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:47,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 14:53:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 14:53:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 14:53:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 14:53:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:53:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:53:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 14:53:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 14:53:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 14:53:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 14:53:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 14:53:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:47,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:47,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:47,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:47,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:47,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:47,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:47,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:47,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:47,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 480 proven. 330 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-27 14:53:47,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453517537] [2020-10-27 14:53:47,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:47,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-27 14:53:47,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255549687] [2020-10-27 14:53:47,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-27 14:53:47,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:47,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-27 14:53:47,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 14:53:47,301 INFO L87 Difference]: Start difference. First operand 190 states and 192 transitions. Second operand 36 states. [2020-10-27 14:53:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:48,814 INFO L93 Difference]: Finished difference Result 455 states and 462 transitions. [2020-10-27 14:53:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 14:53:48,815 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 186 [2020-10-27 14:53:48,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:48,818 INFO L225 Difference]: With dead ends: 455 [2020-10-27 14:53:48,818 INFO L226 Difference]: Without dead ends: 200 [2020-10-27 14:53:48,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=633, Invalid=2123, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 14:53:48,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-27 14:53:48,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 193. [2020-10-27 14:53:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-27 14:53:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 195 transitions. [2020-10-27 14:53:48,839 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 195 transitions. Word has length 186 [2020-10-27 14:53:48,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:48,839 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 195 transitions. [2020-10-27 14:53:48,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-27 14:53:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 195 transitions. [2020-10-27 14:53:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-27 14:53:48,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:48,841 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:48,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-27 14:53:48,841 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:48,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:48,842 INFO L82 PathProgramCache]: Analyzing trace with hash -606355476, now seen corresponding path program 30 times [2020-10-27 14:53:48,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:48,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406160686] [2020-10-27 14:53:48,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:48,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1770 [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-27 14:53:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:53:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:52,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:53:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:53:52,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 14:53:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 14:53:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 14:53:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:52,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 14:53:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 14:53:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 14:53:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 14:53:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:53:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 14:53:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:52,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 14:53:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:52,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 14:53:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 14:53:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 14:53:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-27 14:53:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:52,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 14:53:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:52,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:53:52,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:53:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:53:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 30 proven. 826 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-27 14:53:52,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406160686] [2020-10-27 14:53:52,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:53:52,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-27 14:53:52,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622263544] [2020-10-27 14:53:52,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-27 14:53:52,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:53:52,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-27 14:53:52,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1405, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 14:53:52,375 INFO L87 Difference]: Start difference. First operand 193 states and 195 transitions. Second operand 39 states. [2020-10-27 14:53:57,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:53:57,767 INFO L93 Difference]: Finished difference Result 208 states and 210 transitions. [2020-10-27 14:53:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-27 14:53:57,767 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 189 [2020-10-27 14:53:57,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:53:57,770 INFO L225 Difference]: With dead ends: 208 [2020-10-27 14:53:57,770 INFO L226 Difference]: Without dead ends: 205 [2020-10-27 14:53:57,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=240, Invalid=5162, Unknown=0, NotChecked=0, Total=5402 [2020-10-27 14:53:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-27 14:53:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 201. [2020-10-27 14:53:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-27 14:53:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 203 transitions. [2020-10-27 14:53:57,792 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 203 transitions. Word has length 189 [2020-10-27 14:53:57,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:53:57,792 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 203 transitions. [2020-10-27 14:53:57,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-27 14:53:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 203 transitions. [2020-10-27 14:53:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 14:53:57,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:53:57,794 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:53:57,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-27 14:53:57,794 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:53:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:53:57,794 INFO L82 PathProgramCache]: Analyzing trace with hash 217188054, now seen corresponding path program 31 times [2020-10-27 14:53:57,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:53:57,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871159924] [2020-10-27 14:53:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:53:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:53:57,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:53:59,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:53:59,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1734 [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-27 14:53:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 14:54:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 14:54:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 14:54:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 14:54:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 14:54:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 14:54:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 14:54:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 14:54:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 14:54:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 14:54:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 14:54:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 14:54:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 14:54:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-27 14:54:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 14:54:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 14:54:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:00,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:00,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:00,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:00,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 544 proven. 376 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-27 14:54:00,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871159924] [2020-10-27 14:54:00,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:00,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-27 14:54:00,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411520004] [2020-10-27 14:54:00,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-27 14:54:00,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:00,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-27 14:54:00,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 14:54:00,485 INFO L87 Difference]: Start difference. First operand 201 states and 203 transitions. Second operand 38 states. [2020-10-27 14:54:01,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:01,956 INFO L93 Difference]: Finished difference Result 482 states and 489 transitions. [2020-10-27 14:54:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 14:54:01,957 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 197 [2020-10-27 14:54:01,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:01,960 INFO L225 Difference]: With dead ends: 482 [2020-10-27 14:54:01,960 INFO L226 Difference]: Without dead ends: 211 [2020-10-27 14:54:01,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=706, Invalid=2374, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 14:54:01,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-27 14:54:01,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 204. [2020-10-27 14:54:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-27 14:54:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 206 transitions. [2020-10-27 14:54:01,980 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 206 transitions. Word has length 197 [2020-10-27 14:54:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:01,980 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 206 transitions. [2020-10-27 14:54:01,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-27 14:54:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 206 transitions. [2020-10-27 14:54:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-27 14:54:01,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:01,982 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:01,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-27 14:54:01,982 INFO L429 AbstractCegarLoop]: === Iteration 35 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:01,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:01,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2114932799, now seen corresponding path program 32 times [2020-10-27 14:54:01,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:01,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566864195] [2020-10-27 14:54:01,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:03,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:03,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 14:54:03,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1917 [2020-10-27 14:54:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 14:54:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-27 14:54:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:05,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:54:05,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:05,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:54:05,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:05,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 14:54:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:05,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 14:54:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 14:54:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 14:54:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 14:54:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:54:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:54:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 14:54:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 14:54:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 14:54:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 14:54:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 14:54:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 14:54:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:05,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 14:54:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:54:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 14:54:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 32 proven. 937 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-27 14:54:05,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566864195] [2020-10-27 14:54:05,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:05,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-27 14:54:05,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221016955] [2020-10-27 14:54:05,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-27 14:54:05,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:05,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-27 14:54:05,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 14:54:05,521 INFO L87 Difference]: Start difference. First operand 204 states and 206 transitions. Second operand 41 states. [2020-10-27 14:54:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:11,318 INFO L93 Difference]: Finished difference Result 219 states and 221 transitions. [2020-10-27 14:54:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-27 14:54:11,318 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 200 [2020-10-27 14:54:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:11,320 INFO L225 Difference]: With dead ends: 219 [2020-10-27 14:54:11,321 INFO L226 Difference]: Without dead ends: 216 [2020-10-27 14:54:11,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=256, Invalid=5906, Unknown=0, NotChecked=0, Total=6162 [2020-10-27 14:54:11,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-27 14:54:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 212. [2020-10-27 14:54:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-27 14:54:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 214 transitions. [2020-10-27 14:54:11,344 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 214 transitions. Word has length 200 [2020-10-27 14:54:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:11,344 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 214 transitions. [2020-10-27 14:54:11,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-27 14:54:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 214 transitions. [2020-10-27 14:54:11,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 14:54:11,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:11,346 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:11,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-27 14:54:11,346 INFO L429 AbstractCegarLoop]: === Iteration 36 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:11,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:11,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1617407573, now seen corresponding path program 33 times [2020-10-27 14:54:11,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:11,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899224364] [2020-10-27 14:54:11,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:11,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:13,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:13,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-27 14:54:13,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2009 [2020-10-27 14:54:13,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 14:54:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-27 14:54:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:14,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 14:54:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 14:54:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 14:54:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 14:54:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 14:54:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 14:54:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 14:54:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:14,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 14:54:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 14:54:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 14:54:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 14:54:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 14:54:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 14:54:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 14:54:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 14:54:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 14:54:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:14,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 14:54:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:14,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:14,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:14,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:14,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:14,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:14,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 612 proven. 425 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-27 14:54:14,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899224364] [2020-10-27 14:54:14,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:14,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-27 14:54:14,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983441591] [2020-10-27 14:54:14,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-27 14:54:14,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:14,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-27 14:54:14,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1177, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 14:54:14,402 INFO L87 Difference]: Start difference. First operand 212 states and 214 transitions. Second operand 40 states. [2020-10-27 14:54:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:16,170 INFO L93 Difference]: Finished difference Result 509 states and 516 transitions. [2020-10-27 14:54:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 14:54:16,171 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 208 [2020-10-27 14:54:16,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:16,173 INFO L225 Difference]: With dead ends: 509 [2020-10-27 14:54:16,173 INFO L226 Difference]: Without dead ends: 222 [2020-10-27 14:54:16,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=783, Invalid=2639, Unknown=0, NotChecked=0, Total=3422 [2020-10-27 14:54:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-27 14:54:16,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 215. [2020-10-27 14:54:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-27 14:54:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 217 transitions. [2020-10-27 14:54:16,197 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 217 transitions. Word has length 208 [2020-10-27 14:54:16,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:16,198 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 217 transitions. [2020-10-27 14:54:16,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-27 14:54:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 217 transitions. [2020-10-27 14:54:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-27 14:54:16,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:16,200 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:16,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-27 14:54:16,200 INFO L429 AbstractCegarLoop]: === Iteration 37 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:16,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1685288928, now seen corresponding path program 34 times [2020-10-27 14:54:16,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:16,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033885630] [2020-10-27 14:54:16,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:16,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2253 [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 14:54:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-27 14:54:18,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 14:54:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 14:54:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 14:54:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 14:54:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:54:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 14:54:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 14:54:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:19,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:19,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:19,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:19,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 14:54:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:19,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 14:54:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 14:54:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 14:54:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 14:54:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 14:54:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 14:54:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 14:54:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 14:54:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-27 14:54:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:20,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:20,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:20,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:20,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:20,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:20,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 34 proven. 1055 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-27 14:54:20,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033885630] [2020-10-27 14:54:20,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:20,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-27 14:54:20,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144513735] [2020-10-27 14:54:20,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-27 14:54:20,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:20,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-27 14:54:20,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 14:54:20,113 INFO L87 Difference]: Start difference. First operand 215 states and 217 transitions. Second operand 43 states. [2020-10-27 14:54:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:26,553 INFO L93 Difference]: Finished difference Result 230 states and 232 transitions. [2020-10-27 14:54:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-27 14:54:26,554 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 211 [2020-10-27 14:54:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:26,556 INFO L225 Difference]: With dead ends: 230 [2020-10-27 14:54:26,557 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 14:54:26,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=269, Invalid=6537, Unknown=0, NotChecked=0, Total=6806 [2020-10-27 14:54:26,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 14:54:26,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2020-10-27 14:54:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-27 14:54:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 225 transitions. [2020-10-27 14:54:26,582 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 225 transitions. Word has length 211 [2020-10-27 14:54:26,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:26,583 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 225 transitions. [2020-10-27 14:54:26,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-27 14:54:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 225 transitions. [2020-10-27 14:54:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-27 14:54:26,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:26,584 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:26,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-27 14:54:26,585 INFO L429 AbstractCegarLoop]: === Iteration 38 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:26,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:26,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1260161738, now seen corresponding path program 35 times [2020-10-27 14:54:26,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:26,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075479725] [2020-10-27 14:54:26,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:26,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2406 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 238 [2020-10-27 14:54:29,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:29,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:54:29,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:29,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 14:54:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 14:54:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 14:54:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 14:54:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 14:54:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 14:54:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 14:54:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 14:54:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 14:54:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 14:54:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 14:54:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 14:54:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 14:54:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:29,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 14:54:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 14:54:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:29,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 14:54:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-27 14:54:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:29,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:29,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:29,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:29,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:29,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:29,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 14:54:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:30,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:30,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 684 proven. 477 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-27 14:54:30,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075479725] [2020-10-27 14:54:30,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:30,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-27 14:54:30,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17914961] [2020-10-27 14:54:30,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-27 14:54:30,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:30,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-27 14:54:30,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1299, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 14:54:30,067 INFO L87 Difference]: Start difference. First operand 223 states and 225 transitions. Second operand 42 states. [2020-10-27 14:54:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:31,792 INFO L93 Difference]: Finished difference Result 536 states and 543 transitions. [2020-10-27 14:54:31,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 14:54:31,793 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 219 [2020-10-27 14:54:31,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:31,795 INFO L225 Difference]: With dead ends: 536 [2020-10-27 14:54:31,795 INFO L226 Difference]: Without dead ends: 233 [2020-10-27 14:54:31,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=864, Invalid=2918, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 14:54:31,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-27 14:54:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 226. [2020-10-27 14:54:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-27 14:54:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 228 transitions. [2020-10-27 14:54:31,819 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 228 transitions. Word has length 219 [2020-10-27 14:54:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:31,819 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 228 transitions. [2020-10-27 14:54:31,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-27 14:54:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 228 transitions. [2020-10-27 14:54:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-27 14:54:31,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:31,821 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:31,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-27 14:54:31,821 INFO L429 AbstractCegarLoop]: === Iteration 39 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:31,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1974788469, now seen corresponding path program 36 times [2020-10-27 14:54:31,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:31,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348097962] [2020-10-27 14:54:31,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:31,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:34,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-27 14:54:34,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2703 [2020-10-27 14:54:34,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 14:54:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-27 14:54:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:36,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:54:36,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:36,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 14:54:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 14:54:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:54:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:54:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 14:54:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 14:54:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 14:54:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 14:54:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 14:54:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 14:54:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 14:54:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:54:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 14:54:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:36,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 14:54:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-27 14:54:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-27 14:54:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 14:54:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 14:54:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:36,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:36,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 36 proven. 1180 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-27 14:54:36,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348097962] [2020-10-27 14:54:36,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:36,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-27 14:54:36,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6988991] [2020-10-27 14:54:36,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-27 14:54:36,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:36,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-27 14:54:36,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 14:54:36,496 INFO L87 Difference]: Start difference. First operand 226 states and 228 transitions. Second operand 45 states. [2020-10-27 14:54:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:43,272 INFO L93 Difference]: Finished difference Result 241 states and 243 transitions. [2020-10-27 14:54:43,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-10-27 14:54:43,272 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 222 [2020-10-27 14:54:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:43,274 INFO L225 Difference]: With dead ends: 241 [2020-10-27 14:54:43,274 INFO L226 Difference]: Without dead ends: 238 [2020-10-27 14:54:43,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=277, Invalid=7033, Unknown=0, NotChecked=0, Total=7310 [2020-10-27 14:54:43,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-27 14:54:43,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2020-10-27 14:54:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 14:54:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 236 transitions. [2020-10-27 14:54:43,311 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 236 transitions. Word has length 222 [2020-10-27 14:54:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:43,312 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 236 transitions. [2020-10-27 14:54:43,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-27 14:54:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 236 transitions. [2020-10-27 14:54:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-27 14:54:43,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:43,314 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:43,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-27 14:54:43,314 INFO L429 AbstractCegarLoop]: === Iteration 40 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:43,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:43,314 INFO L82 PathProgramCache]: Analyzing trace with hash -390492321, now seen corresponding path program 37 times [2020-10-27 14:54:43,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:43,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050806010] [2020-10-27 14:54:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:43,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2450 [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-27 14:54:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:46,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 14:54:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 14:54:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 14:54:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 14:54:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 14:54:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 14:54:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 14:54:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 14:54:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 14:54:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 14:54:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 14:54:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 14:54:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 14:54:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 14:54:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-27 14:54:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-27 14:54:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 14:54:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 14:54:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-27 14:54:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:46,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:46,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:46,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 760 proven. 532 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-27 14:54:46,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050806010] [2020-10-27 14:54:46,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:46,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-27 14:54:46,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950396904] [2020-10-27 14:54:46,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-27 14:54:46,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:46,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-27 14:54:46,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 14:54:46,989 INFO L87 Difference]: Start difference. First operand 234 states and 236 transitions. Second operand 44 states. [2020-10-27 14:54:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:54:49,035 INFO L93 Difference]: Finished difference Result 563 states and 570 transitions. [2020-10-27 14:54:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-27 14:54:49,036 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 230 [2020-10-27 14:54:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:54:49,039 INFO L225 Difference]: With dead ends: 563 [2020-10-27 14:54:49,039 INFO L226 Difference]: Without dead ends: 244 [2020-10-27 14:54:49,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=949, Invalid=3211, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 14:54:49,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-27 14:54:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 237. [2020-10-27 14:54:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-27 14:54:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 239 transitions. [2020-10-27 14:54:49,065 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 239 transitions. Word has length 230 [2020-10-27 14:54:49,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:54:49,065 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 239 transitions. [2020-10-27 14:54:49,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-27 14:54:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 239 transitions. [2020-10-27 14:54:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-27 14:54:49,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:54:49,067 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:54:49,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-27 14:54:49,068 INFO L429 AbstractCegarLoop]: === Iteration 41 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:54:49,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:54:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash -2141655084, now seen corresponding path program 38 times [2020-10-27 14:54:49,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:54:49,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147177978] [2020-10-27 14:54:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:54:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:49,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:51,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2674 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-27 14:54:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:54:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:54:53,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:54:53,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:53,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:54:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:54:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 14:54:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:54:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 14:54:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 14:54:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 14:54:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 14:54:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 14:54:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 14:54:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 14:54:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 14:54:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:54:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 14:54:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 14:54:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 14:54:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 14:54:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 14:54:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 14:54:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 14:54:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 14:54:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:54:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:54:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:54:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 38 proven. 1312 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-27 14:54:53,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147177978] [2020-10-27 14:54:53,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:54:53,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-27 14:54:53,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515192389] [2020-10-27 14:54:53,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-27 14:54:53,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:54:53,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-27 14:54:53,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2069, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 14:54:53,803 INFO L87 Difference]: Start difference. First operand 237 states and 239 transitions. Second operand 47 states. [2020-10-27 14:55:01,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:55:01,014 INFO L93 Difference]: Finished difference Result 252 states and 254 transitions. [2020-10-27 14:55:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-27 14:55:01,015 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 233 [2020-10-27 14:55:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:55:01,017 INFO L225 Difference]: With dead ends: 252 [2020-10-27 14:55:01,018 INFO L226 Difference]: Without dead ends: 249 [2020-10-27 14:55:01,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=287, Invalid=7545, Unknown=0, NotChecked=0, Total=7832 [2020-10-27 14:55:01,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-27 14:55:01,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 245. [2020-10-27 14:55:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-27 14:55:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 247 transitions. [2020-10-27 14:55:01,044 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 247 transitions. Word has length 233 [2020-10-27 14:55:01,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:55:01,045 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 247 transitions. [2020-10-27 14:55:01,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-27 14:55:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 247 transitions. [2020-10-27 14:55:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 14:55:01,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:55:01,046 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:55:01,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-27 14:55:01,047 INFO L429 AbstractCegarLoop]: === Iteration 42 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:55:01,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:55:01,047 INFO L82 PathProgramCache]: Analyzing trace with hash -757805378, now seen corresponding path program 39 times [2020-10-27 14:55:01,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:55:01,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971137001] [2020-10-27 14:55:01,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:55:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:01,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2564 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-27 14:55:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:55:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:55:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 14:55:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 14:55:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 14:55:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 14:55:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 14:55:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 14:55:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 14:55:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 14:55:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 14:55:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 14:55:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 14:55:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 14:55:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 14:55:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 14:55:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 14:55:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 14:55:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 14:55:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 14:55:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 14:55:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-27 14:55:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:04,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:04,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:04,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 763 proven. 667 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 14:55:04,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971137001] [2020-10-27 14:55:04,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:55:04,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-27 14:55:04,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930935092] [2020-10-27 14:55:04,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-27 14:55:04,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:55:04,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-27 14:55:04,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=511, Invalid=1559, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 14:55:04,898 INFO L87 Difference]: Start difference. First operand 245 states and 247 transitions. Second operand 46 states. [2020-10-27 14:55:07,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:55:07,067 INFO L93 Difference]: Finished difference Result 590 states and 597 transitions. [2020-10-27 14:55:07,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-27 14:55:07,068 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 241 [2020-10-27 14:55:07,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:55:07,071 INFO L225 Difference]: With dead ends: 590 [2020-10-27 14:55:07,071 INFO L226 Difference]: Without dead ends: 255 [2020-10-27 14:55:07,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=995, Invalid=3427, Unknown=0, NotChecked=0, Total=4422 [2020-10-27 14:55:07,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-10-27 14:55:07,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 248. [2020-10-27 14:55:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-10-27 14:55:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 250 transitions. [2020-10-27 14:55:07,101 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 250 transitions. Word has length 241 [2020-10-27 14:55:07,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:55:07,101 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 250 transitions. [2020-10-27 14:55:07,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-27 14:55:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 250 transitions. [2020-10-27 14:55:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-27 14:55:07,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:55:07,103 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:55:07,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-27 14:55:07,103 INFO L429 AbstractCegarLoop]: === Iteration 43 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:55:07,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:55:07,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1274412247, now seen corresponding path program 40 times [2020-10-27 14:55:07,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:55:07,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288465561] [2020-10-27 14:55:07,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:55:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:10,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:10,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 14:55:10,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3282 [2020-10-27 14:55:10,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 14:55:10,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:55:10,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-10-27 14:55:10,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:55:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:55:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:55:12,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:12,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:12,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:55:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 14:55:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 14:55:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 14:55:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 14:55:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 14:55:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 14:55:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 14:55:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:55:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:55:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 14:55:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 14:55:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-27 14:55:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-27 14:55:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 14:55:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 14:55:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-27 14:55:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-27 14:55:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-27 14:55:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-27 14:55:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:12,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 40 proven. 1451 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 14:55:12,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288465561] [2020-10-27 14:55:12,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:55:12,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-27 14:55:12,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954098877] [2020-10-27 14:55:12,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-27 14:55:12,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:55:12,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-27 14:55:12,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 14:55:12,674 INFO L87 Difference]: Start difference. First operand 248 states and 250 transitions. Second operand 49 states. [2020-10-27 14:55:20,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:55:20,753 INFO L93 Difference]: Finished difference Result 263 states and 265 transitions. [2020-10-27 14:55:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-27 14:55:20,754 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 244 [2020-10-27 14:55:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:55:20,758 INFO L225 Difference]: With dead ends: 263 [2020-10-27 14:55:20,758 INFO L226 Difference]: Without dead ends: 260 [2020-10-27 14:55:20,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=303, Invalid=8439, Unknown=0, NotChecked=0, Total=8742 [2020-10-27 14:55:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-27 14:55:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2020-10-27 14:55:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-27 14:55:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 258 transitions. [2020-10-27 14:55:20,788 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 258 transitions. Word has length 244 [2020-10-27 14:55:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:55:20,788 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 258 transitions. [2020-10-27 14:55:20,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-27 14:55:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 258 transitions. [2020-10-27 14:55:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-27 14:55:20,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:55:20,790 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:55:20,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-27 14:55:20,791 INFO L429 AbstractCegarLoop]: === Iteration 44 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:55:20,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:55:20,791 INFO L82 PathProgramCache]: Analyzing trace with hash 343653651, now seen corresponding path program 41 times [2020-10-27 14:55:20,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:55:20,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735734422] [2020-10-27 14:55:20,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:55:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:20,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:23,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:23,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 14:55:23,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3067 [2020-10-27 14:55:23,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 14:55:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:55:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-27 14:55:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:55:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:55:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:55:25,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:25,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 14:55:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 14:55:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 14:55:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 14:55:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 14:55:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 14:55:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 14:55:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 14:55:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:25,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 14:55:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 14:55:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 14:55:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 14:55:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-27 14:55:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-27 14:55:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 14:55:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 14:55:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-27 14:55:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-27 14:55:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-27 14:55:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-27 14:55:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-27 14:55:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:25,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:25,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:25,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:25,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 924 proven. 651 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-27 14:55:25,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735734422] [2020-10-27 14:55:25,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:55:25,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-27 14:55:25,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191749108] [2020-10-27 14:55:25,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-27 14:55:25,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:55:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-27 14:55:25,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 14:55:25,375 INFO L87 Difference]: Start difference. First operand 256 states and 258 transitions. Second operand 48 states. [2020-10-27 14:55:27,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:55:27,811 INFO L93 Difference]: Finished difference Result 617 states and 624 transitions. [2020-10-27 14:55:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 14:55:27,812 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 252 [2020-10-27 14:55:27,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:55:27,815 INFO L225 Difference]: With dead ends: 617 [2020-10-27 14:55:27,815 INFO L226 Difference]: Without dead ends: 266 [2020-10-27 14:55:27,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1131, Invalid=3839, Unknown=0, NotChecked=0, Total=4970 [2020-10-27 14:55:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-27 14:55:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 259. [2020-10-27 14:55:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-27 14:55:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 261 transitions. [2020-10-27 14:55:27,839 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 261 transitions. Word has length 252 [2020-10-27 14:55:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:55:27,839 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 261 transitions. [2020-10-27 14:55:27,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-27 14:55:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 261 transitions. [2020-10-27 14:55:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 14:55:27,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:55:27,840 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:55:27,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-27 14:55:27,841 INFO L429 AbstractCegarLoop]: === Iteration 45 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:55:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:55:27,841 INFO L82 PathProgramCache]: Analyzing trace with hash 486418376, now seen corresponding path program 42 times [2020-10-27 14:55:27,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:55:27,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644088409] [2020-10-27 14:55:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:55:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:31,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3301 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-27 14:55:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:55:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:34,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:55:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 14:55:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 14:55:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 14:55:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 14:55:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 14:55:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 14:55:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 14:55:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:55:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 14:55:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 14:55:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 14:55:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 14:55:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:34,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 14:55:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-27 14:55:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 14:55:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 14:55:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:34,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 14:55:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 14:55:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 14:55:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 14:55:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-27 14:55:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:34,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:34,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:34,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:34,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:34,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:34,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 42 proven. 1597 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-27 14:55:34,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644088409] [2020-10-27 14:55:34,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:55:34,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-27 14:55:34,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93426030] [2020-10-27 14:55:34,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-27 14:55:34,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:55:34,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-27 14:55:34,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 14:55:34,398 INFO L87 Difference]: Start difference. First operand 259 states and 261 transitions. Second operand 51 states. [2020-10-27 14:55:44,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:55:44,228 INFO L93 Difference]: Finished difference Result 274 states and 276 transitions. [2020-10-27 14:55:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-10-27 14:55:44,229 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 255 [2020-10-27 14:55:44,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:55:44,232 INFO L225 Difference]: With dead ends: 274 [2020-10-27 14:55:44,232 INFO L226 Difference]: Without dead ends: 271 [2020-10-27 14:55:44,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=321, Invalid=9381, Unknown=0, NotChecked=0, Total=9702 [2020-10-27 14:55:44,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-10-27 14:55:44,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2020-10-27 14:55:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-27 14:55:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 269 transitions. [2020-10-27 14:55:44,264 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 269 transitions. Word has length 255 [2020-10-27 14:55:44,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:55:44,265 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 269 transitions. [2020-10-27 14:55:44,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-27 14:55:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 269 transitions. [2020-10-27 14:55:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-27 14:55:44,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:55:44,267 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:55:44,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-27 14:55:44,267 INFO L429 AbstractCegarLoop]: === Iteration 46 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:55:44,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:55:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash -7548238, now seen corresponding path program 43 times [2020-10-27 14:55:44,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:55:44,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809320660] [2020-10-27 14:55:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:55:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:47,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:47,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-27 14:55:47,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3617 [2020-10-27 14:55:47,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 14:55:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:55:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-27 14:55:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:55:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:55:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:55:49,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:49,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 14:55:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 14:55:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 14:55:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 14:55:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 14:55:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 14:55:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 14:55:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 14:55:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 14:55:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 14:55:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 14:55:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 14:55:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 14:55:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-27 14:55:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:49,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 14:55:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 14:55:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 14:55:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:49,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 14:55:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 14:55:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 14:55:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-27 14:55:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-27 14:55:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:49,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:49,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:49,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:49,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2651 backedges. 1012 proven. 715 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 14:55:49,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809320660] [2020-10-27 14:55:49,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:55:49,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-27 14:55:49,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242589831] [2020-10-27 14:55:49,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-27 14:55:49,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:55:49,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-27 14:55:49,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=1847, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 14:55:49,540 INFO L87 Difference]: Start difference. First operand 267 states and 269 transitions. Second operand 50 states. [2020-10-27 14:55:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:55:52,124 INFO L93 Difference]: Finished difference Result 644 states and 651 transitions. [2020-10-27 14:55:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-27 14:55:52,126 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 263 [2020-10-27 14:55:52,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:55:52,128 INFO L225 Difference]: With dead ends: 644 [2020-10-27 14:55:52,128 INFO L226 Difference]: Without dead ends: 277 [2020-10-27 14:55:52,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1228, Invalid=4174, Unknown=0, NotChecked=0, Total=5402 [2020-10-27 14:55:52,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-27 14:55:52,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 270. [2020-10-27 14:55:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-27 14:55:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 272 transitions. [2020-10-27 14:55:52,160 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 272 transitions. Word has length 263 [2020-10-27 14:55:52,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:55:52,160 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 272 transitions. [2020-10-27 14:55:52,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-27 14:55:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 272 transitions. [2020-10-27 14:55:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-27 14:55:52,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:55:52,162 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:55:52,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-27 14:55:52,163 INFO L429 AbstractCegarLoop]: === Iteration 47 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:55:52,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:55:52,163 INFO L82 PathProgramCache]: Analyzing trace with hash -253881123, now seen corresponding path program 44 times [2020-10-27 14:55:52,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:55:52,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307396389] [2020-10-27 14:55:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:55:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:52,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:56,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:56,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4215 [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 298 [2020-10-27 14:55:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:55:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:58,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:55:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 14:55:58,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:55:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:55:58,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 14:55:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 14:55:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 14:55:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 14:55:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:58,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 14:55:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:58,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 14:55:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 14:55:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 14:55:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 14:55:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 14:55:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 14:55:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 14:55:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:58,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 14:55:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-27 14:55:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:58,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 14:55:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:58,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:55:59,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 14:55:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 14:55:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 14:55:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-27 14:55:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-27 14:55:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-27 14:55:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-27 14:55:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:55:59,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:55:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:55:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:55:59,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:55:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 14:55:59,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:55:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:55:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:55:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:55:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:55:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2718 backedges. 44 proven. 1750 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 14:55:59,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307396389] [2020-10-27 14:55:59,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 14:55:59,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-27 14:55:59,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462063992] [2020-10-27 14:55:59,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-27 14:55:59,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:55:59,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-27 14:55:59,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 14:55:59,213 INFO L87 Difference]: Start difference. First operand 270 states and 272 transitions. Second operand 53 states.