/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=NARROWEST --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 -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:26:04,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:26:04,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:26:04,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:26:04,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:26:04,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:26:04,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:26:04,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:26:04,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:26:04,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:26:04,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:26:04,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:26:04,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:26:04,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:26:04,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:26:04,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:26:04,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:26:04,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:26:04,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:26:04,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:26:04,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:26:04,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:26:04,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:26:04,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:26:04,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:26:04,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:26:04,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:26:04,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:26:04,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:26:04,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:26:04,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:26:04,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:26:04,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:26:04,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:26:04,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:26:04,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:26:04,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:26:04,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:26:04,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:26:04,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:26:04,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:26:04,662 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 [2020-10-13 10:26:04,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:26:04,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:26:04,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:26:04,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:26:04,693 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:26:04,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:26:04,696 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:26:04,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:26:04,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:26:04,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:26:04,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:26:04,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:26:04,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:26:04,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:26:04,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:26:04,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:26:04,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:26:04,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:26:04,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:26:04,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:26:04,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:26:04,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:26:04,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:26:04,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:26:04,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:26:04,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:26:04,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:26:04,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:26:04,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:26:04,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:26:05,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:26:05,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:26:05,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:26:05,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:26:05,046 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:26:05,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-10-13 10:26:05,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c66ff408b/b8145a6c63854b8f9d88ab3bdde20847/FLAG63839fc9b [2020-10-13 10:26:05,738 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:26:05,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-10-13 10:26:05,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c66ff408b/b8145a6c63854b8f9d88ab3bdde20847/FLAG63839fc9b [2020-10-13 10:26:05,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c66ff408b/b8145a6c63854b8f9d88ab3bdde20847 [2020-10-13 10:26:05,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:26:05,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:26:05,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:26:05,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:26:05,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:26:05,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:26:05" (1/1) ... [2020-10-13 10:26:05,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42db8c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:05, skipping insertion in model container [2020-10-13 10:26:05,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:26:05" (1/1) ... [2020-10-13 10:26:06,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:26:06,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:26:06,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:26:06,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:26:06,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:26:06,709 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:26:06,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06 WrapperNode [2020-10-13 10:26:06,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:26:06,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:26:06,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:26:06,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:26:06,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (1/1) ... [2020-10-13 10:26:06,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:26:06,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:26:06,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:26:06,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:26:06,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (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 [2020-10-13 10:26:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:26:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:26:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 10:26:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:26:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:26:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-10-13 10:26:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-10-13 10:26:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-10-13 10:26:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-10-13 10:26:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-10-13 10:26:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-10-13 10:26:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-10-13 10:26:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-10-13 10:26:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-10-13 10:26:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-10-13 10:26:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-10-13 10:26:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-10-13 10:26:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-10-13 10:26:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-10-13 10:26:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-10-13 10:26:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-10-13 10:26:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:26:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:26:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:26:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:26:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:26:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:26:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:26:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:26:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:26:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:26:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:26:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:26:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:26:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:26:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:26:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:26:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:26:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:26:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:26:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:26:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:26:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:26:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:26:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:26:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:26:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:26:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:26:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:26:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:26:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:26:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:26:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:26:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-13 10:26:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:26:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:26:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-13 10:26:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:26:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:26:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:26:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:26:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:26:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:26:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:26:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:26:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:26:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:26:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:26:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:26:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:26:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:26:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:26:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:26:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 10:26:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-10-13 10:26:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-10-13 10:26:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:26:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:26:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-10-13 10:26:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-10-13 10:26:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:26:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-10-13 10:26:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-10-13 10:26:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-10-13 10:26:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-10-13 10:26:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-10-13 10:26:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-10-13 10:26:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-10-13 10:26:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-10-13 10:26:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-10-13 10:26:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-10-13 10:26:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:26:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:26:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:26:07,755 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:26:07,756 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-10-13 10:26:07,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:26:07 BoogieIcfgContainer [2020-10-13 10:26:07,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:26:07,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:26:07,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:26:07,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:26:07,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:26:05" (1/3) ... [2020-10-13 10:26:07,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13963e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:26:07, skipping insertion in model container [2020-10-13 10:26:07,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:26:06" (2/3) ... [2020-10-13 10:26:07,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13963e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:26:07, skipping insertion in model container [2020-10-13 10:26:07,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:26:07" (3/3) ... [2020-10-13 10:26:07,773 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-10-13 10:26:07,786 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:26:07,796 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:26:07,810 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:26:07,838 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:26:07,838 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:26:07,838 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:26:07,839 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:26:07,839 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:26:07,839 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:26:07,839 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:26:07,839 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:26:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-13 10:26:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 10:26:07,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:26:07,869 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2020-10-13 10:26:07,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:26:07,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:26:07,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1405399524, now seen corresponding path program 1 times [2020-10-13 10:26:07,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:26:07,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726586860] [2020-10-13 10:26:07,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:26:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:08,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:08,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:08,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:12,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:13,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:13,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 10:26:13,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:26:13,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 10:26:13,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 10:26:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:13,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 10:26:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:13,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:26:13,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:26:13,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:13,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:26:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:13,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:13,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:13,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:14,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:26:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:26:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2178 [2020-10-13 10:26:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 10:26:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:26:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:15,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:15,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:15,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:16,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:16,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:16,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 10:26:16,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:26:16,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-13 10:26:16,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 10:26:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:16,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:16,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:16,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:16,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:16,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:16,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:26:16,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:16,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:16,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 10:26:16,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:26:16,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:16,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:17,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:17,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:17,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:26:17,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:26:17,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:17,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:17,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:17,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:17,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:17,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:26:17,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:26:17,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:17,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:17,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:26:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:17,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:17,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:17,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:26:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:26:17,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:17,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 10:26:17,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:26:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:17,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 10:26:17,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:26:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:17,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:17,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:17,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:17,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:26:17,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:26:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 10:26:17,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726586860] [2020-10-13 10:26:17,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:26:17,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:26:17,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634342801] [2020-10-13 10:26:17,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:26:17,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:26:17,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:26:17,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:26:17,174 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-10-13 10:26:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:26:17,655 INFO L93 Difference]: Finished difference Result 343 states and 542 transitions. [2020-10-13 10:26:17,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 10:26:17,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 10:26:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:26:17,672 INFO L225 Difference]: With dead ends: 343 [2020-10-13 10:26:17,672 INFO L226 Difference]: Without dead ends: 166 [2020-10-13 10:26:17,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:26:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-13 10:26:17,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 155. [2020-10-13 10:26:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-13 10:26:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2020-10-13 10:26:17,746 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 59 [2020-10-13 10:26:17,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:26:17,747 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2020-10-13 10:26:17,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:26:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2020-10-13 10:26:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 10:26:17,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:26:17,751 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2020-10-13 10:26:17,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:26:17,751 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:26:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:26:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash 747676979, now seen corresponding path program 1 times [2020-10-13 10:26:17,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:26:17,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527436183] [2020-10-13 10:26:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:26:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:17,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:17,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:18,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:19,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:21,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:21,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:22,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:22,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 10:26:22,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:26:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:26:22,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:26:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 10:26:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:26:22,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:22,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:22,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:22,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:26:22,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:26:22,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:26:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:22,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:22,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:25,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:25,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:26:25,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:26:25,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2535 [2020-10-13 10:26:25,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:25,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:26:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:26:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:26:25,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:25,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:25,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:25,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:25,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:26:29,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:26:29,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3758 [2020-10-13 10:26:29,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 10:26:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:26:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:26:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:29,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:29,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:29,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:29,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 10:26:29,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:26:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 10:26:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:29,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:29,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:29,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 10:26:29,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:26:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:26:29,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:29,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:29,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:29,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:29,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 10:26:29,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:26:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:26:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:26:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:29,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:29,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-13 10:26:29,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 10:26:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:26:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 10:26:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:29,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:29,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:29,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 10:26:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:26:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:26:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 10:26:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:29,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:29,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:29,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:29,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 10:26:29,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:26:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:26:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:26:29,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:26:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 10:26:30,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527436183] [2020-10-13 10:26:30,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:26:30,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-13 10:26:30,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746322951] [2020-10-13 10:26:30,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-13 10:26:30,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:26:30,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-13 10:26:30,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:26:30,097 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand 22 states. [2020-10-13 10:26:32,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:26:32,930 INFO L93 Difference]: Finished difference Result 332 states and 420 transitions. [2020-10-13 10:26:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 10:26:32,931 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2020-10-13 10:26:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:26:32,934 INFO L225 Difference]: With dead ends: 332 [2020-10-13 10:26:32,935 INFO L226 Difference]: Without dead ends: 184 [2020-10-13 10:26:32,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=1312, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 10:26:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-13 10:26:32,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2020-10-13 10:26:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-13 10:26:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 209 transitions. [2020-10-13 10:26:32,982 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 209 transitions. Word has length 60 [2020-10-13 10:26:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:26:32,983 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 209 transitions. [2020-10-13 10:26:32,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-13 10:26:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 209 transitions. [2020-10-13 10:26:32,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 10:26:32,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:26:32,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-10-13 10:26:32,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:26:32,988 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:26:32,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:26:32,989 INFO L82 PathProgramCache]: Analyzing trace with hash 528822261, now seen corresponding path program 1 times [2020-10-13 10:26:32,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:26:32,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304242421] [2020-10-13 10:26:32,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:26:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:33,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:33,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:33,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:33,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 10:26:38,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:26:38,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 10:26:38,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:26:38,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 10:26:38,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:26:38,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:26:38,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:26:38,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:38,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:38,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:26:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:26:38,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:26:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-13 10:26:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:26:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:26:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:26:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:26:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:26:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 10:26:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:26:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:26:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 10:26:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:38,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:26:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:26:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:26:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:26:38,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:38,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:26:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 10:26:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:38,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:26:38,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:26:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:26:38,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:38,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:38,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:38,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:38,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:26:38,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:38,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 10:26:38,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304242421] [2020-10-13 10:26:38,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:26:38,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:26:38,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601466807] [2020-10-13 10:26:38,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:26:38,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:26:38,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:26:38,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:26:38,702 INFO L87 Difference]: Start difference. First operand 169 states and 209 transitions. Second operand 7 states. [2020-10-13 10:26:39,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:26:39,427 INFO L93 Difference]: Finished difference Result 293 states and 370 transitions. [2020-10-13 10:26:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:26:39,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-13 10:26:39,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:26:39,431 INFO L225 Difference]: With dead ends: 293 [2020-10-13 10:26:39,432 INFO L226 Difference]: Without dead ends: 189 [2020-10-13 10:26:39,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:26:39,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-13 10:26:39,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 178. [2020-10-13 10:26:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-13 10:26:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 221 transitions. [2020-10-13 10:26:39,459 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 221 transitions. Word has length 60 [2020-10-13 10:26:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:26:39,460 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 221 transitions. [2020-10-13 10:26:39,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:26:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 221 transitions. [2020-10-13 10:26:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 10:26:39,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:26:39,465 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 10:26:39,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:26:39,466 INFO L427 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:26:39,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:26:39,466 INFO L82 PathProgramCache]: Analyzing trace with hash -467161035, now seen corresponding path program 1 times [2020-10-13 10:26:39,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:26:39,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437065597] [2020-10-13 10:26:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:26:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:40,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:43,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:26:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 10:26:44,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 10:26:44,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:44,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:44,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:44,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:44,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:26:44,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:44,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:26:44,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:26:44,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:26:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 10:26:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1830 [2020-10-13 10:26:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:26:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:26:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 10:26:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:46,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:46,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:48,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:48,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 10:26:48,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:48,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1511 [2020-10-13 10:26:48,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:26:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:26:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 10:26:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:48,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:48,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:26:48,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-13 10:26:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:26:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:26:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 10:26:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:48,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:48,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:48,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:48,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 10:26:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-13 10:26:48,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:26:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:26:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 10:26:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:48,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:48,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:48,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:48,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:26:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:26:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:26:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:26:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,453 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-13 10:26:49,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:26:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:26:49,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 10:26:49,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:26:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 10:26:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:26:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:26:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:49,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:26:49,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:26:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:49,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:26:49,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:26:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:49,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:26:49,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:49,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:26:49,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:49,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:26:49,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:26:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:26:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:26:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 10:26:49,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 10:26:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 10:26:49,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 10:26:49,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:49,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:26:49,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:26:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:26:49,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:26:49,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:26:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 10:26:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:49,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:26:49,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:49,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:26:49,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:49,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:26:49,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:26:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:26:49,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:26:49,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:26:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:26:49,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:26:49,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:49,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:26:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:49,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:49,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:49,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:26:49,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:49,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:26:49,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:49,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:49,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:49,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-13 10:26:50,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437065597] [2020-10-13 10:26:50,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:26:50,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 10:26:50,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305703735] [2020-10-13 10:26:50,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 10:26:50,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:26:50,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 10:26:50,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:26:50,025 INFO L87 Difference]: Start difference. First operand 178 states and 221 transitions. Second operand 13 states. [2020-10-13 10:26:50,631 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2020-10-13 10:26:51,996 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-13 10:26:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:26:52,135 INFO L93 Difference]: Finished difference Result 367 states and 478 transitions. [2020-10-13 10:26:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:26:52,135 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2020-10-13 10:26:52,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:26:52,142 INFO L225 Difference]: With dead ends: 367 [2020-10-13 10:26:52,143 INFO L226 Difference]: Without dead ends: 198 [2020-10-13 10:26:52,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:26:52,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-13 10:26:52,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 184. [2020-10-13 10:26:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-13 10:26:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 233 transitions. [2020-10-13 10:26:52,197 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 233 transitions. Word has length 154 [2020-10-13 10:26:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:26:52,198 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 233 transitions. [2020-10-13 10:26:52,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 10:26:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions. [2020-10-13 10:26:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 10:26:52,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:26:52,207 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 10:26:52,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:26:52,207 INFO L427 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:26:52,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:26:52,208 INFO L82 PathProgramCache]: Analyzing trace with hash -2084601485, now seen corresponding path program 1 times [2020-10-13 10:26:52,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:26:52,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039604328] [2020-10-13 10:26:52,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:26:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:52,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:52,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:55,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 10:26:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 10:26:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 10:26:57,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:57,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:26:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:57,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:57,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:26:57,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:26:57,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:26:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:26:57,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:26:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:26:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:26:57,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:26:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:26:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:26:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:26:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:26:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:02,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:02,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 10:27:02,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:02,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-13 10:27:02,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-13 10:27:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-13 10:27:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:27:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:02,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:02,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:08,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 10:27:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:27:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5739 [2020-10-13 10:27:08,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-13 10:27:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 10:27:08,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:08,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:08,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:08,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:08,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 10:27:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:08,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 10:27:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-13 10:27:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:27:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 10:27:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:09,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 10:27:09,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:27:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:27:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:27:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:27:09,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 10:27:09,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:27:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 10:27:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:27:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:27:09,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:27:09,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:27:09,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:27:09,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:09,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:27:09,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:27:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:27:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:27:09,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:27:09,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:27:09,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:27:09,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:09,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:09,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:27:09,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:27:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:27:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:09,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:09,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:10,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:11,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 10:27:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 10:27:14,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-13 10:27:14,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:27:14,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 10:27:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:14,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:27:14,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:27:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:27:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:27:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:27:14,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 10:27:14,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:27:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 10:27:14,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:27:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:27:14,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:27:14,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:27:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:27:14,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:27:14,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:27:14,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:14,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:14,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:27:14,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:27:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:27:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:27:14,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:27:14,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:14,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:14,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:14,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:14,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:14,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:27:14,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:14,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:27:14,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:14,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:27:15,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:15,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:15,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:15,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:15,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:15,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:27:15,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:15,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:15,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:15,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:27:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-13 10:27:15,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039604328] [2020-10-13 10:27:15,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:27:15,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-13 10:27:15,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453793220] [2020-10-13 10:27:15,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-13 10:27:15,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:27:15,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-13 10:27:15,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2020-10-13 10:27:15,169 INFO L87 Difference]: Start difference. First operand 184 states and 233 transitions. Second operand 24 states. [2020-10-13 10:27:17,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:27:17,438 INFO L93 Difference]: Finished difference Result 329 states and 416 transitions. [2020-10-13 10:27:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 10:27:17,439 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 154 [2020-10-13 10:27:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:27:17,443 INFO L225 Difference]: With dead ends: 329 [2020-10-13 10:27:17,443 INFO L226 Difference]: Without dead ends: 260 [2020-10-13 10:27:17,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=1269, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 10:27:17,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-13 10:27:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 208. [2020-10-13 10:27:17,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-13 10:27:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 262 transitions. [2020-10-13 10:27:17,468 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 262 transitions. Word has length 154 [2020-10-13 10:27:17,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:27:17,469 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 262 transitions. [2020-10-13 10:27:17,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-13 10:27:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 262 transitions. [2020-10-13 10:27:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 10:27:17,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:27:17,472 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 10:27:17,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:27:17,473 INFO L427 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:27:17,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:27:17,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1709746076, now seen corresponding path program 1 times [2020-10-13 10:27:17,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:27:17,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24558380] [2020-10-13 10:27:17,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:27:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:19,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5123 [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-13 10:27:22,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 10:27:22,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 10:27:22,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:27:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:22,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:22,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:22,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:27:22,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:22,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:27:22,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:22,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 10:27:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:22,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:27,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:27,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 10:27:27,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-13 10:27:27,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-13 10:27:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-13 10:27:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:27:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:30,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 10:27:33,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:33,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 10:27:33,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 10:27:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 10:27:33,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 10:27:33,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:27:33,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:27:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:27:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 10:27:33,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:27:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:27:33,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:27:33,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:27:33,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:27:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:33,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:27:33,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:27:33,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:27:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:27:33,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:27:33,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:27:33,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:27:33,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:33,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:33,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:33,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:33,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:27:33,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:27:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:27:33,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:33,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:27:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:33,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:37,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:37,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:27:37,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:37,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4339 [2020-10-13 10:27:37,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 10:27:37,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 10:27:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 10:27:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:38,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:41,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:41,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 10:27:41,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:41,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3368 [2020-10-13 10:27:41,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 10:27:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:41,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 10:27:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:42,176 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2020-10-13 10:27:42,466 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-10-13 10:27:42,760 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-10-13 10:27:42,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:27:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:42,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:42,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:27:42,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:27:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:27:42,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:27:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:27:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:27:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:27:42,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:27:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:27:42,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:43,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:27:44,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:27:44,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:27:44,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:27:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-10-13 10:27:44,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:27:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-13 10:27:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:27:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 10:27:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0