/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=SHALLOWEST --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/seq-pthread/cs_lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:28:53,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:28:53,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:28:53,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:28:53,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:28:53,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:28:53,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:28:53,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:28:53,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:28:53,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:28:53,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:28:53,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:28:53,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:28:53,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:28:53,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:28:53,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:28:53,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:28:53,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:28:53,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:28:53,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:28:53,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:28:53,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:28:53,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:28:53,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:28:53,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:28:53,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:28:53,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:28:53,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:28:53,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:28:53,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:28:53,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:28:53,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:28:53,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:28:53,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:28:53,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:28:53,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:28:53,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:28:53,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:28:53,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:28:53,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:28:53,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:28:53,764 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 06:28:53,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:28:53,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:28:53,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:28:53,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:28:53,829 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:28:53,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:28:53,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:28:53,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:28:53,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:28:53,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:28:53,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:28:53,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:28:53,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:28:53,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:28:53,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:28:53,832 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:28:53,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:28:53,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:28:53,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:28:53,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:28:53,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:28:53,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:28:53,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:28:53,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:28:53,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:28:53,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:28:53,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:28:53,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:28:53,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:28:53,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:28:54,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:28:54,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:28:54,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:28:54,288 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:28:54,288 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:28:54,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_lamport.i [2020-10-27 06:28:54,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9647aab23/d4826b301a5e4603a63917daf0061396/FLAGbde90b027 [2020-10-27 06:28:55,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:28:55,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-pthread/cs_lamport.i [2020-10-27 06:28:55,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9647aab23/d4826b301a5e4603a63917daf0061396/FLAGbde90b027 [2020-10-27 06:28:55,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9647aab23/d4826b301a5e4603a63917daf0061396 [2020-10-27 06:28:55,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:28:55,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:28:55,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:28:55,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:28:55,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:28:55,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:28:55" (1/1) ... [2020-10-27 06:28:55,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a80de18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:55, skipping insertion in model container [2020-10-27 06:28:55,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:28:55" (1/1) ... [2020-10-27 06:28:55,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:28:55,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:28:56,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:28:56,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:28:56,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:28:56,574 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:28:56,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56 WrapperNode [2020-10-27 06:28:56,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:28:56,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:28:56,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:28:56,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:28:56,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (1/1) ... [2020-10-27 06:28:56,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:28:56,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:28:56,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:28:56,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:28:56,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (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 06:28:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:28:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:28:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-27 06:28:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 06:28:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:28:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 06:28:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 06:28:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-27 06:28:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-27 06:28:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-27 06:28:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 06:28:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-10-27 06:28:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2020-10-27 06:28:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2020-10-27 06:28:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2020-10-27 06:28:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2020-10-27 06:28:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2020-10-27 06:28:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2020-10-27 06:28:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2020-10-27 06:28:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2020-10-27 06:28:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2020-10-27 06:28:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:28:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:28:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 06:28:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 06:28:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:28:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 06:28:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:28:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 06:28:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 06:28:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:28:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:28:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 06:28:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 06:28:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 06:28:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 06:28:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 06:28:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 06:28:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 06:28:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 06:28:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 06:28:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 06:28:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 06:28:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 06:28:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 06:28:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 06:28:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 06:28:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 06:28:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 06:28:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 06:28:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-27 06:28:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-27 06:28:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-27 06:28:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 06:28:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 06:28:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 06:28:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 06:28:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 06:28:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 06:28:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 06:28:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 06:28:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 06:28:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 06:28:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 06:28:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 06:28:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 06:28:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 06:28:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 06:28:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 06:28:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 06:28:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 06:28:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 06:28:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 06:28:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 06:28:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 06:28:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 06:28:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 06:28:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 06:28:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 06:28:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 06:28:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 06:28:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 06:28:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 06:28:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 06:28:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 06:28:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 06:28:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 06:28:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 06:28:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 06:28:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 06:28:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 06:28:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 06:28:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 06:28:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 06:28:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 06:28:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 06:28:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 06:28:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 06:28:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 06:28:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 06:28:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 06:28:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 06:28:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 06:28:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 06:28:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 06:28:56,889 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 06:28:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 06:28:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 06:28:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 06:28:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 06:28:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 06:28:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 06:28:56,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 06:28:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 06:28:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 06:28:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 06:28:56,892 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 06:28:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 06:28:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 06:28:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 06:28:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 06:28:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 06:28:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 06:28:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 06:28:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 06:28:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 06:28:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:28:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2020-10-27 06:28:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2020-10-27 06:28:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2020-10-27 06:28:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2020-10-27 06:28:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:28:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-27 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 06:28:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:28:57,941 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:57,942 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:57,942 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:57,942 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:57,942 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:57,942 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:57,943 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:57,943 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:58,118 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:58,118 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:58,118 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:58,118 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:58,119 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:58,119 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:28:58,119 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !(0 != ~__CS_ret~0 % 256); [2020-10-27 06:28:58,119 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2020-10-27 06:29:01,177 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:29:01,178 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-27 06:29:01,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:29:01 BoogieIcfgContainer [2020-10-27 06:29:01,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:29:01,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:29:01,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:29:01,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:29:01,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:28:55" (1/3) ... [2020-10-27 06:29:01,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ef7533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:29:01, skipping insertion in model container [2020-10-27 06:29:01,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:28:56" (2/3) ... [2020-10-27 06:29:01,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ef7533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:29:01, skipping insertion in model container [2020-10-27 06:29:01,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:29:01" (3/3) ... [2020-10-27 06:29:01,190 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2020-10-27 06:29:01,203 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:29:01,209 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:29:01,241 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:29:01,272 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:29:01,272 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:29:01,273 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:29:01,273 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:29:01,273 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:29:01,273 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:29:01,273 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:29:01,273 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:29:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-10-27 06:29:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 06:29:01,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:01,319 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:01,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:01,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash -757503010, now seen corresponding path program 1 times [2020-10-27 06:29:01,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:01,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116318995] [2020-10-27 06:29:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:01,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:02,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:03,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:05,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:06,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:06,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:06,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:06,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 06:29:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 06:29:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 06:29:06,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 06:29:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:29:06,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:29:06,964 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:06,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 06:29:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:29:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:29:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:29:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:29:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:29:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:29:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 06:29:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 06:29:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:29:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:29:07,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:29:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:29:07,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:29:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:07,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 06:29:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:29:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:29:07,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:29:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 06:29:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:29:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:29:07,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:29:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:07,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 06:29:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:29:07,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:29:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:29:07,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 06:29:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:29:07,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:29:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:29:07,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 06:29:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:07,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:07,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:29:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:29:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 06:29:07,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116318995] [2020-10-27 06:29:07,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:29:07,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 06:29:07,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798439764] [2020-10-27 06:29:07,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 06:29:07,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:07,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 06:29:07,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:29:07,401 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 4 states. [2020-10-27 06:29:10,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:10,719 INFO L93 Difference]: Finished difference Result 273 states and 424 transitions. [2020-10-27 06:29:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 06:29:10,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-10-27 06:29:10,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:10,739 INFO L225 Difference]: With dead ends: 273 [2020-10-27 06:29:10,740 INFO L226 Difference]: Without dead ends: 135 [2020-10-27 06:29:10,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:29:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-27 06:29:10,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 128. [2020-10-27 06:29:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-27 06:29:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2020-10-27 06:29:10,829 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 152 [2020-10-27 06:29:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:10,829 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2020-10-27 06:29:10,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 06:29:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2020-10-27 06:29:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 06:29:10,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:10,835 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:10,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:29:10,835 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:10,836 INFO L82 PathProgramCache]: Analyzing trace with hash 826937322, now seen corresponding path program 1 times [2020-10-27 06:29:10,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:10,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376989650] [2020-10-27 06:29:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:10,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:10,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:11,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-27 06:29:16,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:29:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5617 [2020-10-27 06:29:16,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:29:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 06:29:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:29:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,756 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:16,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 06:29:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:29:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:29:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:29:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:16,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:16,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:16,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:16,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:16,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:16,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:16,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:16,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 06:29:17,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376989650] [2020-10-27 06:29:17,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:17,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 06:29:17,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228326427] [2020-10-27 06:29:17,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 06:29:17,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:17,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 06:29:17,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:29:17,026 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand 5 states. [2020-10-27 06:29:20,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:20,201 INFO L93 Difference]: Finished difference Result 256 states and 357 transitions. [2020-10-27 06:29:20,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 06:29:20,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-27 06:29:20,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:20,205 INFO L225 Difference]: With dead ends: 256 [2020-10-27 06:29:20,205 INFO L226 Difference]: Without dead ends: 139 [2020-10-27 06:29:20,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:29:20,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-27 06:29:20,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2020-10-27 06:29:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-27 06:29:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 182 transitions. [2020-10-27 06:29:20,234 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 182 transitions. Word has length 155 [2020-10-27 06:29:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:20,235 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 182 transitions. [2020-10-27 06:29:20,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 06:29:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 182 transitions. [2020-10-27 06:29:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 06:29:20,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:20,238 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:20,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:29:20,239 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:20,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:20,240 INFO L82 PathProgramCache]: Analyzing trace with hash -894167886, now seen corresponding path program 2 times [2020-10-27 06:29:20,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:20,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10267038] [2020-10-27 06:29:20,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:20,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:20,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:20,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:25,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:25,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:29:25,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:29:25,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5413 [2020-10-27 06:29:25,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:29:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 06:29:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:29:25,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:25,942 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:25,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:25,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:25,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:25,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:25,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:25,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:29:25,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:25,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:29:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:25,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:25,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:25,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:25,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:25,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:25,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:25,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:29:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:25,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:25,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:25,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:25,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:25,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:25,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:29:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:25,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:25,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:25,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:25,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:25,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:25,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:25,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:29:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:29:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 06:29:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 06:29:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:29:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:29:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 06:29:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 06:29:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 06:29:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:26,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 06:29:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:26,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 06:29:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:29:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 06:29:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 06:29:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:29:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 06:29:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:29:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 06:29:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 06:29:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:26,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:26,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:26,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:26,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:26,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:26,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:26,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 06:29:26,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10267038] [2020-10-27 06:29:26,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:26,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 06:29:26,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538524215] [2020-10-27 06:29:26,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:29:26,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:26,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:29:26,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:29:26,207 INFO L87 Difference]: Start difference. First operand 132 states and 182 transitions. Second operand 6 states. [2020-10-27 06:29:29,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:29,461 INFO L93 Difference]: Finished difference Result 257 states and 358 transitions. [2020-10-27 06:29:29,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 06:29:29,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2020-10-27 06:29:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:29,465 INFO L225 Difference]: With dead ends: 257 [2020-10-27 06:29:29,465 INFO L226 Difference]: Without dead ends: 140 [2020-10-27 06:29:29,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:29:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-27 06:29:29,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2020-10-27 06:29:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-27 06:29:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 187 transitions. [2020-10-27 06:29:29,495 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 187 transitions. Word has length 158 [2020-10-27 06:29:29,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:29,495 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 187 transitions. [2020-10-27 06:29:29,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:29:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2020-10-27 06:29:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 06:29:29,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:29,499 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:29,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:29:29,500 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:29,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:29,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1019839766, now seen corresponding path program 3 times [2020-10-27 06:29:29,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:29,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187579660] [2020-10-27 06:29:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:29,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:30,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 06:29:35,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:29:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5877 [2020-10-27 06:29:35,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:29:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:29:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:29:35,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,667 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:35,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:35,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:29:35,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:29:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:29:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:29:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:35,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:29:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2020-10-27 06:29:35,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187579660] [2020-10-27 06:29:35,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:29:35,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 06:29:35,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42468982] [2020-10-27 06:29:35,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 06:29:35,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:35,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 06:29:35,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:29:35,885 INFO L87 Difference]: Start difference. First operand 136 states and 187 transitions. Second operand 4 states. [2020-10-27 06:29:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:38,958 INFO L93 Difference]: Finished difference Result 273 states and 379 transitions. [2020-10-27 06:29:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 06:29:38,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2020-10-27 06:29:38,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:38,962 INFO L225 Difference]: With dead ends: 273 [2020-10-27 06:29:38,962 INFO L226 Difference]: Without dead ends: 146 [2020-10-27 06:29:38,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:29:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-27 06:29:38,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 139. [2020-10-27 06:29:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-27 06:29:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 190 transitions. [2020-10-27 06:29:38,985 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 190 transitions. Word has length 161 [2020-10-27 06:29:38,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:38,985 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 190 transitions. [2020-10-27 06:29:38,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 06:29:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 190 transitions. [2020-10-27 06:29:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 06:29:38,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:38,988 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:38,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:29:38,989 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:38,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:38,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1393458772, now seen corresponding path program 1 times [2020-10-27 06:29:38,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:38,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247098827] [2020-10-27 06:29:38,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:39,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9170 [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:29:48,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,422 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:29:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 06:29:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:29:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:48,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:48,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:48,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:48,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:48,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:29:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:29:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:29:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:48,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:48,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:48,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:48,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:48,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-10-27 06:29:48,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247098827] [2020-10-27 06:29:48,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:48,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 06:29:48,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370051386] [2020-10-27 06:29:48,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 06:29:48,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:48,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 06:29:48,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:29:48,704 INFO L87 Difference]: Start difference. First operand 139 states and 190 transitions. Second operand 5 states. [2020-10-27 06:29:51,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:29:51,848 INFO L93 Difference]: Finished difference Result 281 states and 387 transitions. [2020-10-27 06:29:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 06:29:51,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-27 06:29:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:29:51,852 INFO L225 Difference]: With dead ends: 281 [2020-10-27 06:29:51,852 INFO L226 Difference]: Without dead ends: 152 [2020-10-27 06:29:51,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 06:29:51,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-27 06:29:51,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 145. [2020-10-27 06:29:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-27 06:29:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 196 transitions. [2020-10-27 06:29:51,874 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 196 transitions. Word has length 167 [2020-10-27 06:29:51,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:29:51,874 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 196 transitions. [2020-10-27 06:29:51,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 06:29:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 196 transitions. [2020-10-27 06:29:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 06:29:51,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:29:51,878 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:29:51,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:29:51,878 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:29:51,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:29:51,879 INFO L82 PathProgramCache]: Analyzing trace with hash -753783058, now seen corresponding path program 2 times [2020-10-27 06:29:51,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:29:51,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923254484] [2020-10-27 06:29:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:29:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:52,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:52,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:52,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-27 06:29:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:29:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5641 [2020-10-27 06:29:57,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:29:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 06:29:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:29:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,860 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:29:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:29:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:29:57,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:29:57,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:29:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 06:29:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:29:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:29:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:29:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:29:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:57,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:29:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:57,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:29:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:29:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:29:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:29:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:57,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:29:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:57,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:57,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:57,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:57,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:57,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:57,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:57,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:57,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:29:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:29:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:29:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:29:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:29:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:58,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:29:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:29:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:29:58,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:29:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:29:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:29:58,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:29:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:29:58,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 06:29:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:29:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:29:58,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:29:58,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:29:58,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:29:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:29:58,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:29:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:29:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:29:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:29:58,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:29:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2020-10-27 06:29:58,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923254484] [2020-10-27 06:29:58,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:29:58,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 06:29:58,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809064525] [2020-10-27 06:29:58,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:29:58,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:29:58,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:29:58,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:29:58,117 INFO L87 Difference]: Start difference. First operand 145 states and 196 transitions. Second operand 6 states. [2020-10-27 06:30:01,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:30:01,319 INFO L93 Difference]: Finished difference Result 288 states and 394 transitions. [2020-10-27 06:30:01,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 06:30:01,320 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2020-10-27 06:30:01,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:30:01,323 INFO L225 Difference]: With dead ends: 288 [2020-10-27 06:30:01,323 INFO L226 Difference]: Without dead ends: 155 [2020-10-27 06:30:01,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:30:01,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-27 06:30:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2020-10-27 06:30:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-27 06:30:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2020-10-27 06:30:01,343 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 173 [2020-10-27 06:30:01,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:30:01,343 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2020-10-27 06:30:01,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:30:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2020-10-27 06:30:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 06:30:01,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:01,346 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:30:01,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:30:01,347 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:01,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:01,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1777720656, now seen corresponding path program 3 times [2020-10-27 06:30:01,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:01,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505883406] [2020-10-27 06:30:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:01,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:02,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:15,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14413 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-27 06:30:15,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,237 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:30:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:30:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:16,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 06:30:16,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 06:30:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:30:16,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:30:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:30:16,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:30:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 06:30:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:30:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:16,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 06:30:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:16,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:30:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 06:30:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:30:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 06:30:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:30:16,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 06:30:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 06:30:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 06:30:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:30:16,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 06:30:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 06:30:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 06:30:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 06:30:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:30:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:30:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:16,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:30:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:30:16,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 06:30:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:16,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:30:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:16,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:16,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:16,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:30:16,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:16,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2020-10-27 06:30:16,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505883406] [2020-10-27 06:30:16,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:30:16,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 06:30:16,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717785658] [2020-10-27 06:30:16,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:30:16,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:30:16,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:30:16,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:30:16,634 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand 6 states. [2020-10-27 06:30:16,911 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:30:20,912 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 06:30:21,153 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 06:30:21,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:30:21,332 INFO L93 Difference]: Finished difference Result 273 states and 379 transitions. [2020-10-27 06:30:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 06:30:21,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2020-10-27 06:30:21,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:30:21,337 INFO L225 Difference]: With dead ends: 273 [2020-10-27 06:30:21,338 INFO L226 Difference]: Without dead ends: 219 [2020-10-27 06:30:21,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:30:21,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-27 06:30:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2020-10-27 06:30:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-27 06:30:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 292 transitions. [2020-10-27 06:30:21,395 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 292 transitions. Word has length 179 [2020-10-27 06:30:21,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:30:21,397 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 292 transitions. [2020-10-27 06:30:21,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:30:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 292 transitions. [2020-10-27 06:30:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 06:30:21,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:30:21,406 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:30:21,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:30:21,406 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:30:21,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:30:21,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1636377945, now seen corresponding path program 1 times [2020-10-27 06:30:21,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:30:21,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962097452] [2020-10-27 06:30:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:30:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:21,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:42,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:42,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-27 06:30:42,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:30:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21265 [2020-10-27 06:30:42,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 06:30:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:30:42,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:30:42,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:43,541 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2020-10-27 06:30:43,814 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2020-10-27 06:30:44,029 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:30:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:30:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:44,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:44,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:44,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:30:44,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:44,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 06:30:44,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:44,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:44,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:44,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:30:44,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:44,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 06:30:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:44,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:44,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:44,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:44,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:49,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:30:49,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:30:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:30:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:30:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:30:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 06:30:49,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:49,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:49,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:49,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-27 06:30:54,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:30:54,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:30:54,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:30:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:30:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 06:30:54,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:54,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:30:54,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:30:54,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:30:54,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:30:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:30:54,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:54,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:30:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:54,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:30:54,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:30:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:30:54,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:30:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:30:54,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:54,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 06:30:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:30:54,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:30:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:30:54,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:30:54,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:30:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:30:54,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:30:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:30:54,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:30:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:30:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:30:54,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 06:30:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:30:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 06:30:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:54,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 06:30:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 06:30:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 06:30:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 06:30:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 06:30:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:30:54,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 06:30:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:54,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 06:30:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 06:30:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 06:30:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 06:30:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 06:30:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 06:30:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 06:30:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-27 06:30:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 06:30:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-27 06:30:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-27 06:30:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 06:30:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:30:55,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:30:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:30:55,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:30:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2020-10-27 06:30:55,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962097452] [2020-10-27 06:30:55,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:30:55,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 06:30:55,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131892953] [2020-10-27 06:30:55,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 06:30:55,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:30:55,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 06:30:55,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:30:55,282 INFO L87 Difference]: Start difference. First operand 213 states and 292 transitions. Second operand 17 states. [2020-10-27 06:30:55,504 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 06:30:56,131 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:30:56,324 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 06:30:59,150 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 06:31:00,619 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 154 [2020-10-27 06:31:00,912 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 06:31:01,469 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 139 [2020-10-27 06:31:01,959 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:31:02,856 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-27 06:31:03,155 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-27 06:31:03,682 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:31:06,172 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-27 06:31:06,636 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 06:31:08,781 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 06:31:19,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:19,407 INFO L93 Difference]: Finished difference Result 1118 states and 1647 transitions. [2020-10-27 06:31:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-27 06:31:19,408 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 260 [2020-10-27 06:31:19,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:19,417 INFO L225 Difference]: With dead ends: 1118 [2020-10-27 06:31:19,418 INFO L226 Difference]: Without dead ends: 936 [2020-10-27 06:31:19,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 106 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=749, Invalid=3943, Unknown=0, NotChecked=0, Total=4692 [2020-10-27 06:31:19,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-10-27 06:31:19,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 845. [2020-10-27 06:31:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-10-27 06:31:19,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1227 transitions. [2020-10-27 06:31:19,630 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1227 transitions. Word has length 260 [2020-10-27 06:31:19,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:19,631 INFO L481 AbstractCegarLoop]: Abstraction has 845 states and 1227 transitions. [2020-10-27 06:31:19,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 06:31:19,631 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1227 transitions. [2020-10-27 06:31:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-27 06:31:19,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:19,654 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 9, 9, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:19,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:31:19,655 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:19,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:19,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1895132734, now seen corresponding path program 1 times [2020-10-27 06:31:19,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:19,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641646109] [2020-10-27 06:31:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:19,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:20,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:34,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:34,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-27 06:31:34,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14506 [2020-10-27 06:31:34,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:34,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 06:31:34,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:31:34,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 06:31:34,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:34,809 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:31:34,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:31:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:34,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:34,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:31:34,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:34,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 06:31:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:34,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:34,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:34,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:34,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:31:34,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:31:34,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:34,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:34,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:34,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:34,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:34,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:31:34,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:34,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:35,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:35,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:35,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:35,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:31:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:35,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:35,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:35,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:35,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:31:35,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:31:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-27 06:31:35,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:31:35,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 06:31:35,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:31:35,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:35,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:35,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-27 06:31:36,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-27 06:31:36,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:31:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:31:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:31:36,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:36,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:31:36,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:36,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:31:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:31:36,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:36,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:31:36,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 06:31:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:36,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:36,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:31:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:31:36,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:31:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:31:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:31:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:31:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 06:31:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 06:31:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:31:36,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:31:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 06:31:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:31:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:31:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:31:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:31:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 06:31:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 06:31:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 06:31:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 06:31:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 06:31:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 06:31:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 06:31:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 06:31:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:36,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 06:31:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 06:31:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 06:31:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:36,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 06:31:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:36,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 06:31:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-27 06:31:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 06:31:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-27 06:31:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-27 06:31:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 06:31:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-27 06:31:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 06:31:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-27 06:31:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:36,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-27 06:31:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:31:36,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:31:36,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:31:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:31:36,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:31:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:31:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:31:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:31:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:31:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2020-10-27 06:31:37,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641646109] [2020-10-27 06:31:37,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:31:37,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 06:31:37,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032154670] [2020-10-27 06:31:37,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 06:31:37,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:31:37,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 06:31:37,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-27 06:31:37,227 INFO L87 Difference]: Start difference. First operand 845 states and 1227 transitions. Second operand 20 states. [2020-10-27 06:31:37,475 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 06:31:38,065 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:31:40,993 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 06:31:41,721 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 06:31:42,066 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 06:31:43,053 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 06:31:43,625 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 06:31:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:31:45,474 INFO L93 Difference]: Finished difference Result 1789 states and 2728 transitions. [2020-10-27 06:31:45,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 06:31:45,475 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 284 [2020-10-27 06:31:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:31:45,486 INFO L225 Difference]: With dead ends: 1789 [2020-10-27 06:31:45,487 INFO L226 Difference]: Without dead ends: 992 [2020-10-27 06:31:45,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=260, Invalid=1380, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 06:31:45,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2020-10-27 06:31:45,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 897. [2020-10-27 06:31:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-10-27 06:31:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1337 transitions. [2020-10-27 06:31:45,628 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1337 transitions. Word has length 284 [2020-10-27 06:31:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:31:45,629 INFO L481 AbstractCegarLoop]: Abstraction has 897 states and 1337 transitions. [2020-10-27 06:31:45,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 06:31:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1337 transitions. [2020-10-27 06:31:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-27 06:31:45,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:31:45,641 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 9, 9, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:31:45,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:31:45,641 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:31:45,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:31:45,642 INFO L82 PathProgramCache]: Analyzing trace with hash 923749245, now seen corresponding path program 1 times [2020-10-27 06:31:45,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:31:45,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343882783] [2020-10-27 06:31:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:31:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:31:45,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:31:46,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking...