/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 SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=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-c90d42b [2020-09-24 16:00:33,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:00:33,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:00:33,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:00:33,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:00:33,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:00:33,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:00:33,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:00:33,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:00:33,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:00:33,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:00:33,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:00:33,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:00:33,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:00:33,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:00:33,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:00:33,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:00:33,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:00:33,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:00:33,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:00:33,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:00:33,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:00:33,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:00:33,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:00:33,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:00:33,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:00:33,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:00:33,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:00:33,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:00:33,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:00:33,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:00:33,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:00:33,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:00:33,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:00:33,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:00:33,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:00:33,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:00:33,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:00:33,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:00:33,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:00:33,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:00:33,123 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 [2020-09-24 16:00:33,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:00:33,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:00:33,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:00:33,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:00:33,174 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:00:33,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:00:33,175 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:00:33,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:00:33,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:00:33,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:00:33,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:00:33,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:00:33,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:00:33,178 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:00:33,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:00:33,178 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:00:33,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:00:33,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:00:33,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:00:33,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:00:33,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:00:33,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:00:33,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:00:33,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:00:33,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:00:33,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:00:33,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:00:33,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:00:33,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:00:33,181 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 -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:00:33,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:00:33,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:00:33,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:00:33,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:00:33,690 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:00:33,691 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-24 16:00:33,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/989d34aae/66ff65efa2bb4d2bbb5cea75e9b3acad/FLAG8ef7b06fa [2020-09-24 16:00:34,435 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:00:34,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-24 16:00:34,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/989d34aae/66ff65efa2bb4d2bbb5cea75e9b3acad/FLAG8ef7b06fa [2020-09-24 16:00:34,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/989d34aae/66ff65efa2bb4d2bbb5cea75e9b3acad [2020-09-24 16:00:34,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:00:34,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:00:34,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:00:34,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:00:34,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:00:34,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:34" (1/1) ... [2020-09-24 16:00:34,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:34, skipping insertion in model container [2020-09-24 16:00:34,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:34" (1/1) ... [2020-09-24 16:00:34,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:00:34,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:00:35,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:00:35,295 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:00:35,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:00:35,487 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:00:35,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35 WrapperNode [2020-09-24 16:00:35,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:00:35,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:00:35,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:00:35,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:00:35,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (1/1) ... [2020-09-24 16:00:35,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:00:35,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:00:35,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:00:35,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:00:35,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (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 [2020-09-24 16:00:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:00:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:00:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 16:00:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 16:00:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 16:00:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-24 16:00:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-24 16:00:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-24 16:00:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-24 16:00:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-24 16:00:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-24 16:00:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-24 16:00:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-24 16:00:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-24 16:00:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-24 16:00:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-24 16:00:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-24 16:00:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-24 16:00:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-24 16:00:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-24 16:00:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-24 16:00:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:00:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:00:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 16:00:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 16:00:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 16:00:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 16:00:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 16:00:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 16:00:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 16:00:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 16:00:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 16:00:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 16:00:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 16:00:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 16:00:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 16:00:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 16:00:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 16:00:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 16:00:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 16:00:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 16:00:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 16:00:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 16:00:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 16:00:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 16:00:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 16:00:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 16:00:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 16:00:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 16:00:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 16:00:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 16:00:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 16:00:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 16:00:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 16:00:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 16:00:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 16:00:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 16:00:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 16:00:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 16:00:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 16:00:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 16:00:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 16:00:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 16:00:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:00:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 16:00:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 16:00:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:00:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 16:00:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 16:00:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 16:00:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 16:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 16:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 16:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 16:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 16:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 16:00:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 16:00:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 16:00:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 16:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 16:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 16:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 16:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 16:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 16:00:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 16:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 16:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 16:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 16:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 16:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 16:00:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-24 16:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-24 16:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:00:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:00:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-24 16:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-24 16:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-24 16:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-24 16:00:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-24 16:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-24 16:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-24 16:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-24 16:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-24 16:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-24 16:00:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-24 16:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:00:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:00:36,670 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:00:36,671 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-24 16:00:36,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:36 BoogieIcfgContainer [2020-09-24 16:00:36,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:00:36,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:00:36,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:00:36,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:00:36,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:00:34" (1/3) ... [2020-09-24 16:00:36,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220db56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:36, skipping insertion in model container [2020-09-24 16:00:36,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:35" (2/3) ... [2020-09-24 16:00:36,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220db56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:36, skipping insertion in model container [2020-09-24 16:00:36,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:36" (3/3) ... [2020-09-24 16:00:36,688 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-09-24 16:00:36,701 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:00:36,712 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:00:36,736 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:00:36,768 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:00:36,768 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:00:36,769 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:00:36,769 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:00:36,769 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:00:36,769 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:00:36,769 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:00:36,769 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:00:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-24 16:00:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-24 16:00:36,814 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:36,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:36,816 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:36,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:36,824 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-24 16:00:36,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:36,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399984664] [2020-09-24 16:00:36,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 16:00:37,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 16:00:37,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 16:00:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:00:37,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:37,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:00:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-24 16:00:37,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:37,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-24 16:00:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 16:00:37,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:37,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-24 16:00:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:37,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:00:37,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:37,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:37,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 16:00:37,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:37,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:37,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:37,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:37,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:37,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:37,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:37,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:37,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:37,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:37,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:37,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:37,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:37,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:37,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:37,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 16:00:37,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399984664] [2020-09-24 16:00:37,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:00:37,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:00:37,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912458767] [2020-09-24 16:00:37,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:00:37,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:37,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:00:37,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:00:37,815 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 4 states. [2020-09-24 16:00:38,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:38,481 INFO L93 Difference]: Finished difference Result 568 states and 767 transitions. [2020-09-24 16:00:38,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 16:00:38,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2020-09-24 16:00:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:38,512 INFO L225 Difference]: With dead ends: 568 [2020-09-24 16:00:38,512 INFO L226 Difference]: Without dead ends: 275 [2020-09-24 16:00:38,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:00:38,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-09-24 16:00:38,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 255. [2020-09-24 16:00:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-24 16:00:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 284 transitions. [2020-09-24 16:00:38,665 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 284 transitions. Word has length 85 [2020-09-24 16:00:38,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:38,666 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 284 transitions. [2020-09-24 16:00:38,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:00:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 284 transitions. [2020-09-24 16:00:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-24 16:00:38,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:38,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:38,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:00:38,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:38,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:38,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1893520380, now seen corresponding path program 1 times [2020-09-24 16:00:38,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:38,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071801124] [2020-09-24 16:00:38,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:38,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:38,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:38,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:38,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-24 16:00:38,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-24 16:00:38,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:00:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-24 16:00:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 16:00:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:39,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:00:39,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 16:00:39,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:00:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:00:39,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:00:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:00:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 16:00:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:00:39,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:00:39,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:00:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 16:00:39,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:39,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:39,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:00:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 16:00:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:39,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:39,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 16:00:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:39,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:39,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:39,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:39,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:39,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:39,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:39,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:39,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:39,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:39,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:39,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:39,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:39,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:39,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 16:00:39,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071801124] [2020-09-24 16:00:39,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:39,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 16:00:39,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143740098] [2020-09-24 16:00:39,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 16:00:39,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:39,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 16:00:39,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:00:39,618 INFO L87 Difference]: Start difference. First operand 255 states and 284 transitions. Second operand 13 states. [2020-09-24 16:00:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:41,621 INFO L93 Difference]: Finished difference Result 542 states and 621 transitions. [2020-09-24 16:00:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 16:00:41,622 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 87 [2020-09-24 16:00:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:41,627 INFO L225 Difference]: With dead ends: 542 [2020-09-24 16:00:41,627 INFO L226 Difference]: Without dead ends: 296 [2020-09-24 16:00:41,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-09-24 16:00:41,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-24 16:00:41,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2020-09-24 16:00:41,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-09-24 16:00:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2020-09-24 16:00:41,655 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 87 [2020-09-24 16:00:41,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:41,656 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2020-09-24 16:00:41,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 16:00:41,656 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2020-09-24 16:00:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 16:00:41,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:41,660 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-09-24 16:00:41,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:00:41,660 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:41,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:41,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1671014528, now seen corresponding path program 1 times [2020-09-24 16:00:41,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:41,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486499698] [2020-09-24 16:00:41,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:41,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:41,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:41,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:41,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:41,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-24 16:00:41,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:41,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 16:00:41,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:00:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 16:00:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-24 16:00:41,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:42,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:42,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:42,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:42,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:00:42,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:42,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:00:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:42,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:42,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:42,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:42,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 16:00:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:42,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-24 16:00:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-09-24 16:00:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:00:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:42,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:43,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-24 16:00:43,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:43,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-09-24 16:00:43,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 16:00:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 16:00:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:43,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:00:43,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-24 16:00:43,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:43,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:00:43,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 16:00:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:43,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:00:43,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 16:00:43,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:00:43,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 16:00:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 16:00:43,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:43,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:43,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:43,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:43,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:43,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:43,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:00:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:00:44,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:00:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:00:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:00:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:00:44,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:44,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:00:44,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:44,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:44,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:44,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:44,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:44,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:44,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:44,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:44,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:44,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:44,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-24 16:00:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-24 16:00:44,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-24 16:00:44,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:00:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-24 16:00:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:44,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:44,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:44,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:44,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:44,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-24 16:00:44,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:44,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 16:00:44,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:44,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 16:00:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:00:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 16:00:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:45,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:45,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:45,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:45,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:45,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:45,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:00:45,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 16:00:45,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:00:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:00:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:45,982 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-09-24 16:00:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:00:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:00:46,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:00:46,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:00:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:46,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:00:46,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:46,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:46,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:46,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:46,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:00:46,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:46,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:46,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:00:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:00:46,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:46,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:46,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:00:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:00:46,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:46,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:46,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:00:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:46,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:46,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:46,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:46,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:46,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:00:46,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:46,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 38 proven. 38 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2020-09-24 16:00:46,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486499698] [2020-09-24 16:00:46,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:46,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-09-24 16:00:46,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351048076] [2020-09-24 16:00:46,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-09-24 16:00:46,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:46,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-09-24 16:00:46,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=918, Unknown=0, NotChecked=0, Total=992 [2020-09-24 16:00:46,622 INFO L87 Difference]: Start difference. First operand 276 states and 307 transitions. Second operand 32 states. [2020-09-24 16:00:47,176 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-09-24 16:00:48,889 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-09-24 16:00:49,679 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2020-09-24 16:00:50,219 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-09-24 16:00:51,100 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-24 16:00:52,125 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-09-24 16:00:52,921 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-09-24 16:01:00,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:00,023 INFO L93 Difference]: Finished difference Result 570 states and 642 transitions. [2020-09-24 16:01:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 16:01:00,024 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 235 [2020-09-24 16:01:00,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:00,029 INFO L225 Difference]: With dead ends: 570 [2020-09-24 16:01:00,029 INFO L226 Difference]: Without dead ends: 307 [2020-09-24 16:01:00,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=251, Invalid=2829, Unknown=0, NotChecked=0, Total=3080 [2020-09-24 16:01:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-24 16:01:00,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 287. [2020-09-24 16:01:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-24 16:01:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 320 transitions. [2020-09-24 16:01:00,059 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 320 transitions. Word has length 235 [2020-09-24 16:01:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:00,060 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 320 transitions. [2020-09-24 16:01:00,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-09-24 16:01:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 320 transitions. [2020-09-24 16:01:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-09-24 16:01:00,064 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:00,064 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-09-24 16:01:00,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:01:00,065 INFO L427 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:00,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:00,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1259548806, now seen corresponding path program 1 times [2020-09-24 16:01:00,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:00,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898620446] [2020-09-24 16:01:00,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:00,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:00,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:00,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:00,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-24 16:01:00,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 16:01:00,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:01:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-09-24 16:01:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-24 16:01:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:00,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:00,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:00,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:00,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:00,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:01:00,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:00,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:00,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:01:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:00,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:00,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:00,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:00,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:00,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 16:01:00,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:00,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-24 16:01:00,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-09-24 16:01:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:00,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:01,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-24 16:01:01,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -1 [2020-09-24 16:01:01,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 1 [2020-09-24 16:01:01,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:01,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 16:01:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-24 16:01:01,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:01:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 16:01:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 16:01:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:01,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:01,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:01,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:01,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:01,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 16:01:01,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-24 16:01:01,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 16:01:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 16:01:02,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-24 16:01:02,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 16:01:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:02,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:02,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:02,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:02,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:01:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:01:02,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-09-24 16:01:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:01:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:02,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:01:02,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-24 16:01:02,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:01:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 16:01:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 16:01:02,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:02,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:02,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:01:02,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:01:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 16:01:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:02,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:02,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:02,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:02,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:02,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:02,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:02,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:02,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 16:01:02,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:02,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:01:02,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 16:01:02,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:01:03,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:03,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:03,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:01:03,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:01:03,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:03,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 16:01:03,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:03,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:03,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:03,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 16:01:03,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 16:01:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:03,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 16:01:03,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:03,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:03,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:03,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:03,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:03,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:03,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 16:01:03,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:01:03,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:03,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 16:01:03,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:04,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 16:01:04,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:01:04,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:04,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:01:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 16:01:04,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-09-24 16:01:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-24 16:01:04,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:04,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:04,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 16:01:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-24 16:01:04,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:04,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:04,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:04,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:04,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:04,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:04,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:04,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:04,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:04,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:04,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:04,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:04,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-09-24 16:01:05,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898620446] [2020-09-24 16:01:05,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:01:05,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-09-24 16:01:05,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621655182] [2020-09-24 16:01:05,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-09-24 16:01:05,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:01:05,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-09-24 16:01:05,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=980, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 16:01:05,222 INFO L87 Difference]: Start difference. First operand 287 states and 320 transitions. Second operand 33 states. [2020-09-24 16:01:07,334 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-09-24 16:01:07,914 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-09-24 16:01:08,381 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-09-24 16:01:08,964 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-09-24 16:01:09,584 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-24 16:01:10,074 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-09-24 16:01:10,504 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-09-24 16:01:12,067 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-09-24 16:01:12,465 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-09-24 16:01:12,825 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-09-24 16:01:13,299 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-09-24 16:01:13,831 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2020-09-24 16:01:14,302 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-09-24 16:01:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:19,831 INFO L93 Difference]: Finished difference Result 601 states and 680 transitions. [2020-09-24 16:01:19,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-24 16:01:19,832 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 237 [2020-09-24 16:01:19,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:19,835 INFO L225 Difference]: With dead ends: 601 [2020-09-24 16:01:19,835 INFO L226 Difference]: Without dead ends: 330 [2020-09-24 16:01:19,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=416, Invalid=4840, Unknown=0, NotChecked=0, Total=5256 [2020-09-24 16:01:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-09-24 16:01:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 305. [2020-09-24 16:01:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-24 16:01:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 338 transitions. [2020-09-24 16:01:19,861 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 338 transitions. Word has length 237 [2020-09-24 16:01:19,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:19,861 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 338 transitions. [2020-09-24 16:01:19,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-09-24 16:01:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 338 transitions. [2020-09-24 16:01:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 16:01:19,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:19,865 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-09-24 16:01:19,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:01:19,866 INFO L427 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:19,866 INFO L82 PathProgramCache]: Analyzing trace with hash -978473208, now seen corresponding path program 1 times [2020-09-24 16:01:19,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:19,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596736585] [2020-09-24 16:01:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:20,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:01:20,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:20,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:20,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:20,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 16:01:20,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 16:01:20,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 16:01:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-09-24 16:01:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 16:01:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:20,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:20,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:20,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:20,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:01:20,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:20,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:20,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:01:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:20,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-24 16:01:20,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -1 [2020-09-24 16:01:20,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 1 [2020-09-24 16:01:20,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:20,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-24 16:01:20,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 16:01:20,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:01:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:01:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 16:01:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-24 16:01:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -1 [2020-09-24 16:01:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 1 [2020-09-24 16:01:20,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:20,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 16:01:20,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 16:01:20,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:01:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 16:01:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 16:01:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:20,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:21,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:21,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:21,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:21,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 16:01:21,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 16:01:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:01:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 16:01:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:21,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:21,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:21,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:21,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 16:01:21,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 16:01:21,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 16:01:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:01:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:21,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:21,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:21,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:21,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:21,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:21,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:21,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 16:01:21,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:01:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:01:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:01:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:27,631 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2020-09-24 16:01:27,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:01:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 16:01:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:27,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 16:01:27,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:27,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:27,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:27,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:27,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:27,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:27,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:27,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:27,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:27,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:27,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:01:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:27,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:01:27,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:01:27,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:27,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:27,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:27,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:27,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:27,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:27,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-24 16:01:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 16:01:28,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 16:01:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:28,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 16:01:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:01:28,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:01:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 16:01:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:28,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 16:01:28,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:28,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 16:01:28,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:28,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 16:01:28,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:28,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:01:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:01:28,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:28,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:01:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:01:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:01:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:28,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:28,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:28,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:28,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:28,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:28,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:28,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 25 proven. 38 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-09-24 16:01:28,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596736585] [2020-09-24 16:01:28,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:01:28,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-24 16:01:28,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332508919] [2020-09-24 16:01:28,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-24 16:01:28,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:01:28,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-24 16:01:28,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2020-09-24 16:01:28,809 INFO L87 Difference]: Start difference. First operand 305 states and 338 transitions. Second operand 22 states.