/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/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:53:14,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:53:14,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:53:14,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:53:14,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:53:14,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:53:14,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:53:14,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:53:14,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:53:14,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:53:14,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:53:14,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:53:14,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:53:14,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:53:14,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:53:14,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:53:14,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:53:14,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:53:14,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:53:14,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:53:14,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:53:14,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:53:14,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:53:14,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:53:14,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:53:14,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:53:14,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:53:14,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:53:14,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:53:14,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:53:14,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:53:14,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:53:14,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:53:14,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:53:14,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:53:14,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:53:14,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:53:14,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:53:14,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:53:14,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:53:14,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:53:14,884 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 15:53:14,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:53:14,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:53:14,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:53:14,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:53:14,911 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:53:14,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:53:14,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:53:14,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:53:14,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:53:14,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:53:14,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:53:14,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:53:14,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:53:14,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:53:14,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:53:14,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:53:14,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:53:14,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:53:14,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:53:14,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:53:14,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:53:14,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:14,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:53:14,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:53:14,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:53:14,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:53:14,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:53:14,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:53:14,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:53:14,917 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 15:53:15,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:53:15,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:53:15,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:53:15,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:53:15,457 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:53:15,459 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-24 15:53:15,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911268105/4da6f91e5fb347bb87f01f11c4aa89ec/FLAG595b19cc7 [2020-09-24 15:53:16,194 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:53:16,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-24 15:53:16,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911268105/4da6f91e5fb347bb87f01f11c4aa89ec/FLAG595b19cc7 [2020-09-24 15:53:16,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911268105/4da6f91e5fb347bb87f01f11c4aa89ec [2020-09-24 15:53:16,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:53:16,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:53:16,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:16,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:53:16,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:53:16,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:16" (1/1) ... [2020-09-24 15:53:16,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:16, skipping insertion in model container [2020-09-24 15:53:16,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:16" (1/1) ... [2020-09-24 15:53:16,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:53:16,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:53:16,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:17,009 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:53:17,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:17,145 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:53:17,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17 WrapperNode [2020-09-24 15:53:17,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:17,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:53:17,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:53:17,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:53:17,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (1/1) ... [2020-09-24 15:53:17,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:53:17,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:53:17,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:53:17,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:53:17,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (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 15:53:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:53:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:53:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:53:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:53:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:53:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:53:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:53:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:53:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:53:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:53:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:53:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:53:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:53:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:53:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:53:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:53:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:53:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:53:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:53:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:53:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:53:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:53:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:53:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:53:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:53:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:53:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:53:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:53:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:53:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:53:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:53:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:53:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:53:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:53:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:53:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:53:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:53:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:53:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:53:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:53:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:53:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:53:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:53:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:53:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:53:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:53:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:53:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:53:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:53:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:53:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:53:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:53:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:53:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:53:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:53:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:53:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:53:18,618 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:53:18,618 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:53:18,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:18 BoogieIcfgContainer [2020-09-24 15:53:18,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:53:18,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:53:18,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:53:18,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:53:18,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:53:16" (1/3) ... [2020-09-24 15:53:18,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c0677a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:18, skipping insertion in model container [2020-09-24 15:53:18,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:17" (2/3) ... [2020-09-24 15:53:18,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c0677a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:18, skipping insertion in model container [2020-09-24 15:53:18,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:18" (3/3) ... [2020-09-24 15:53:18,639 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-09-24 15:53:18,650 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:53:18,660 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:53:18,678 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:53:18,713 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:53:18,713 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:53:18,713 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:53:18,714 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:53:18,714 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:53:18,714 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:53:18,714 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:53:18,714 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:53:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2020-09-24 15:53:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:53:18,761 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:18,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:18,763 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:18,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:18,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1132386032, now seen corresponding path program 1 times [2020-09-24 15:53:18,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:18,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077619563] [2020-09-24 15:53:18,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:53:19,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,617 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:19,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:19,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:19,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:53:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:19,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:53:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:19,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077619563] [2020-09-24 15:53:19,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:19,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:53:19,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402836299] [2020-09-24 15:53:20,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:53:20,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:20,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:53:20,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:20,028 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 4 states. [2020-09-24 15:53:21,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:21,531 INFO L93 Difference]: Finished difference Result 514 states and 599 transitions. [2020-09-24 15:53:21,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:53:21,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:53:21,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:21,554 INFO L225 Difference]: With dead ends: 514 [2020-09-24 15:53:21,554 INFO L226 Difference]: Without dead ends: 324 [2020-09-24 15:53:21,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:21,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-24 15:53:21,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 275. [2020-09-24 15:53:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-09-24 15:53:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 297 transitions. [2020-09-24 15:53:21,665 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 297 transitions. Word has length 160 [2020-09-24 15:53:21,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:21,666 INFO L479 AbstractCegarLoop]: Abstraction has 275 states and 297 transitions. [2020-09-24 15:53:21,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:53:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 297 transitions. [2020-09-24 15:53:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:53:21,671 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:21,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:21,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:53:21,672 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:21,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:21,673 INFO L82 PathProgramCache]: Analyzing trace with hash 411704185, now seen corresponding path program 1 times [2020-09-24 15:53:21,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:21,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668826804] [2020-09-24 15:53:21,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:21,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:21,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:21,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:21,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,137 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:22,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:22,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:22,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:22,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:22,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:22,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:22,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:22,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:22,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:22,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:53:22,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:22,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668826804] [2020-09-24 15:53:22,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:22,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:22,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114173039] [2020-09-24 15:53:22,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:22,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:22,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:22,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:22,444 INFO L87 Difference]: Start difference. First operand 275 states and 297 transitions. Second operand 5 states. [2020-09-24 15:53:23,169 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:24,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:24,197 INFO L93 Difference]: Finished difference Result 430 states and 481 transitions. [2020-09-24 15:53:24,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:24,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:24,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:24,203 INFO L225 Difference]: With dead ends: 430 [2020-09-24 15:53:24,203 INFO L226 Difference]: Without dead ends: 313 [2020-09-24 15:53:24,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-09-24 15:53:24,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 265. [2020-09-24 15:53:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-24 15:53:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 284 transitions. [2020-09-24 15:53:24,288 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 284 transitions. Word has length 161 [2020-09-24 15:53:24,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:24,289 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 284 transitions. [2020-09-24 15:53:24,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 284 transitions. [2020-09-24 15:53:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:53:24,295 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:24,295 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:24,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:24,296 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:24,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:24,296 INFO L82 PathProgramCache]: Analyzing trace with hash 60241941, now seen corresponding path program 1 times [2020-09-24 15:53:24,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:24,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421924078] [2020-09-24 15:53:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:24,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:24,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:53:24,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:53:24,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:24,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:53:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:24,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:24,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:53:24,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:24,816 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:24,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:24,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:24,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:24,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:24,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:24,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:24,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:24,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:24,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:25,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:25,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:25,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:25,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:25,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:25,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:25,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:53:25,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:53:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:25,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:25,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:53:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:25,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:25,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:25,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:25,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:25,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:25,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:25,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:25,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:25,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:25,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:25,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:25,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:25,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421924078] [2020-09-24 15:53:25,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:25,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:53:25,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102772540] [2020-09-24 15:53:25,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:53:25,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:25,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:53:25,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:53:25,202 INFO L87 Difference]: Start difference. First operand 265 states and 284 transitions. Second operand 6 states. [2020-09-24 15:53:25,930 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:27,969 INFO L93 Difference]: Finished difference Result 643 states and 736 transitions. [2020-09-24 15:53:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:53:27,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:53:27,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:27,982 INFO L225 Difference]: With dead ends: 643 [2020-09-24 15:53:27,984 INFO L226 Difference]: Without dead ends: 493 [2020-09-24 15:53:27,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:27,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-24 15:53:28,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 399. [2020-09-24 15:53:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-09-24 15:53:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 436 transitions. [2020-09-24 15:53:28,073 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 436 transitions. Word has length 174 [2020-09-24 15:53:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:28,074 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 436 transitions. [2020-09-24 15:53:28,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:53:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 436 transitions. [2020-09-24 15:53:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:53:28,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:28,078 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:28,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:28,078 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:28,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:28,079 INFO L82 PathProgramCache]: Analyzing trace with hash -520729636, now seen corresponding path program 1 times [2020-09-24 15:53:28,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:28,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361718684] [2020-09-24 15:53:28,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:53:28,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:53:28,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:53:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-24 15:53:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,622 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:28,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:28,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:53:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:53:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:28,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:28,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:53:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:53:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:28,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:28,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361718684] [2020-09-24 15:53:28,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:28,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:28,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044378431] [2020-09-24 15:53:28,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:28,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:28,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:28,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:28,944 INFO L87 Difference]: Start difference. First operand 399 states and 436 transitions. Second operand 10 states. [2020-09-24 15:53:29,519 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:30,534 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:30,844 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:32,137 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:32,430 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:32,764 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:33,446 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:33,746 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:34,064 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:34,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:34,397 INFO L93 Difference]: Finished difference Result 934 states and 1094 transitions. [2020-09-24 15:53:34,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:53:34,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:53:34,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:34,405 INFO L225 Difference]: With dead ends: 934 [2020-09-24 15:53:34,405 INFO L226 Difference]: Without dead ends: 650 [2020-09-24 15:53:34,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:34,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-09-24 15:53:34,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 565. [2020-09-24 15:53:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-24 15:53:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 628 transitions. [2020-09-24 15:53:34,486 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 628 transitions. Word has length 179 [2020-09-24 15:53:34,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:34,486 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 628 transitions. [2020-09-24 15:53:34,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 628 transitions. [2020-09-24 15:53:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 15:53:34,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:34,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:34,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:34,491 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:34,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:34,491 INFO L82 PathProgramCache]: Analyzing trace with hash 956612866, now seen corresponding path program 1 times [2020-09-24 15:53:34,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:34,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970048263] [2020-09-24 15:53:34,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 15:53:34,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:34,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 15:53:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,849 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:34,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:34,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:34,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:34,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:34,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:53:34,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:34,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:35,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:53:35,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:35,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:35,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:53:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:35,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:35,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:35,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:53:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:53:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:35,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:35,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:35,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:35,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:35,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:35,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970048263] [2020-09-24 15:53:35,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:35,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:35,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629614927] [2020-09-24 15:53:35,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:35,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:35,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:35,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:35,203 INFO L87 Difference]: Start difference. First operand 565 states and 628 transitions. Second operand 11 states. [2020-09-24 15:53:36,862 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:37,188 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:37,491 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:37,825 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:38,159 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:38,465 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:39,490 INFO L93 Difference]: Finished difference Result 1204 states and 1446 transitions. [2020-09-24 15:53:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:53:39,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2020-09-24 15:53:39,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:39,496 INFO L225 Difference]: With dead ends: 1204 [2020-09-24 15:53:39,496 INFO L226 Difference]: Without dead ends: 754 [2020-09-24 15:53:39,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:39,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-09-24 15:53:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 584. [2020-09-24 15:53:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-09-24 15:53:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 647 transitions. [2020-09-24 15:53:39,575 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 647 transitions. Word has length 229 [2020-09-24 15:53:39,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:39,576 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 647 transitions. [2020-09-24 15:53:39,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 647 transitions. [2020-09-24 15:53:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 15:53:39,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:39,581 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:39,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:39,581 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:39,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1898555038, now seen corresponding path program 1 times [2020-09-24 15:53:39,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:39,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035928830] [2020-09-24 15:53:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:39,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -88 [2020-09-24 15:53:39,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 88 [2020-09-24 15:53:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 15:53:39,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 15:53:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,952 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:39,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:40,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:40,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:40,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:40,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:40,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:40,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:40,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:40,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:40,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:40,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:40,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:40,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:53:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:40,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:40,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:53:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:53:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:40,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:40,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035928830] [2020-09-24 15:53:40,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:40,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:40,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662628307] [2020-09-24 15:53:40,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:40,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:40,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:40,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:40,237 INFO L87 Difference]: Start difference. First operand 584 states and 647 transitions. Second operand 10 states. [2020-09-24 15:53:41,741 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:42,037 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:42,365 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:42,691 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:42,966 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:44,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:44,104 INFO L93 Difference]: Finished difference Result 1241 states and 1483 transitions. [2020-09-24 15:53:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:44,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2020-09-24 15:53:44,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:44,109 INFO L225 Difference]: With dead ends: 1241 [2020-09-24 15:53:44,109 INFO L226 Difference]: Without dead ends: 772 [2020-09-24 15:53:44,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:53:44,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-09-24 15:53:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 596. [2020-09-24 15:53:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-09-24 15:53:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 659 transitions. [2020-09-24 15:53:44,196 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 659 transitions. Word has length 229 [2020-09-24 15:53:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:44,197 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 659 transitions. [2020-09-24 15:53:44,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 659 transitions. [2020-09-24 15:53:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 15:53:44,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:44,202 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:44,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:44,203 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:44,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:44,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1775940511, now seen corresponding path program 1 times [2020-09-24 15:53:44,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:44,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516787279] [2020-09-24 15:53:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 15:53:44,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:53:44,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:53:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:53:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,647 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:44,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:44,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:53:44,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:44,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:44,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:44,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:44,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:44,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:44,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:44,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:44,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:44,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:44,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:44,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:44,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:44,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:44,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:44,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:53:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:53:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:44,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:44,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:44,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:44,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:53:44,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:44,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:44,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:53:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:44,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:44,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:53:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:44,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:44,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:44,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:44,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:44,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:44,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:44,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516787279] [2020-09-24 15:53:44,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:44,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:44,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525902192] [2020-09-24 15:53:44,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:44,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:44,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:44,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:44,972 INFO L87 Difference]: Start difference. First operand 596 states and 659 transitions. Second operand 8 states. [2020-09-24 15:53:45,538 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:46,220 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:49,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:49,253 INFO L93 Difference]: Finished difference Result 1855 states and 2251 transitions. [2020-09-24 15:53:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:53:49,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-09-24 15:53:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:49,262 INFO L225 Difference]: With dead ends: 1855 [2020-09-24 15:53:49,262 INFO L226 Difference]: Without dead ends: 1374 [2020-09-24 15:53:49,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:53:49,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-09-24 15:53:49,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1133. [2020-09-24 15:53:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2020-09-24 15:53:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1278 transitions. [2020-09-24 15:53:49,413 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1278 transitions. Word has length 229 [2020-09-24 15:53:49,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:49,413 INFO L479 AbstractCegarLoop]: Abstraction has 1133 states and 1278 transitions. [2020-09-24 15:53:49,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1278 transitions. [2020-09-24 15:53:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:53:49,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:49,420 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:49,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:49,420 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:49,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:49,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1048196984, now seen corresponding path program 1 times [2020-09-24 15:53:49,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:49,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042085567] [2020-09-24 15:53:49,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:49,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:49,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-24 15:53:49,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-24 15:53:49,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:49,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:53:49,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:49,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 15:53:49,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:53:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-09-24 15:53:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:50,012 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:50,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:50,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:53:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:50,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:50,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:50,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:50,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:50,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:50,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:50,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:50,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:50,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:50,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:50,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:50,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:50,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:50,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:50,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:53:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:50,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:50,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:50,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:50,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:53:50,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:53:50,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:50,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:50,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:50,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:50,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:50,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:50,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:50,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:50,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:53:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:50,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:50,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:50,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:50,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:50,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:53:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:50,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:50,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:50,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:50,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:50,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:50,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042085567] [2020-09-24 15:53:50,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:50,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:53:50,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525570623] [2020-09-24 15:53:50,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:53:50,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:50,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:53:50,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:50,467 INFO L87 Difference]: Start difference. First operand 1133 states and 1278 transitions. Second operand 15 states. [2020-09-24 15:53:51,108 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:52,090 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:53,334 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:53,674 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:54,120 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:54,471 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:54,831 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:55,171 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:55,587 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:55,932 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:58,722 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:59,047 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:59,688 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:00,014 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:01,774 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:54:02,423 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:54:03,092 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:54:03,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:03,664 INFO L93 Difference]: Finished difference Result 3654 states and 4413 transitions. [2020-09-24 15:54:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-09-24 15:54:03,665 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 234 [2020-09-24 15:54:03,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:03,684 INFO L225 Difference]: With dead ends: 3654 [2020-09-24 15:54:03,684 INFO L226 Difference]: Without dead ends: 2841 [2020-09-24 15:54:03,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=866, Invalid=3424, Unknown=0, NotChecked=0, Total=4290 [2020-09-24 15:54:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2020-09-24 15:54:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2214. [2020-09-24 15:54:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2214 states. [2020-09-24 15:54:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 2487 transitions. [2020-09-24 15:54:04,017 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 2487 transitions. Word has length 234 [2020-09-24 15:54:04,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:04,018 INFO L479 AbstractCegarLoop]: Abstraction has 2214 states and 2487 transitions. [2020-09-24 15:54:04,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:54:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2487 transitions. [2020-09-24 15:54:04,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-09-24 15:54:04,025 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:04,025 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:04,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:54:04,026 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:04,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:04,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1131694366, now seen corresponding path program 1 times [2020-09-24 15:54:04,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:04,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473017046] [2020-09-24 15:54:04,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-09-24 15:54:04,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:04,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:54:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:04,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,469 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:04,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:04,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:04,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:04,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:04,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:04,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:04,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:04,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:04,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:04,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:04,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:04,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:04,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:54:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 15:54:04,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:04,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:04,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:04,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:54:04,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:04,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:54:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:54:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:04,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:04,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:04,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:04,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:04,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:04,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:04,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:04,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 15:54:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:04,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:04,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:04,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:04,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 15:54:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 15:54:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:04,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:04,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:54:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2020-09-24 15:54:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:04,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-09-24 15:54:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:04,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:04,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:04,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:04,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:04,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:04,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:04,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:54:04,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473017046] [2020-09-24 15:54:04,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:04,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:04,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975282823] [2020-09-24 15:54:04,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:04,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:04,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:04,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:04,854 INFO L87 Difference]: Start difference. First operand 2214 states and 2487 transitions. Second operand 10 states. [2020-09-24 15:54:05,412 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:06,378 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:08,871 INFO L93 Difference]: Finished difference Result 3813 states and 4347 transitions. [2020-09-24 15:54:08,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-24 15:54:08,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 294 [2020-09-24 15:54:08,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:08,883 INFO L225 Difference]: With dead ends: 3813 [2020-09-24 15:54:08,883 INFO L226 Difference]: Without dead ends: 1714 [2020-09-24 15:54:08,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=241, Invalid=815, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:54:08,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2020-09-24 15:54:09,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1551. [2020-09-24 15:54:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1551 states. [2020-09-24 15:54:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 1721 transitions. [2020-09-24 15:54:09,083 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 1721 transitions. Word has length 294 [2020-09-24 15:54:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:09,083 INFO L479 AbstractCegarLoop]: Abstraction has 1551 states and 1721 transitions. [2020-09-24 15:54:09,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1721 transitions. [2020-09-24 15:54:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-09-24 15:54:09,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:09,087 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:09,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:54:09,088 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:09,088 INFO L82 PathProgramCache]: Analyzing trace with hash -508090108, now seen corresponding path program 1 times [2020-09-24 15:54:09,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:09,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632780623] [2020-09-24 15:54:09,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:09,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -141 [2020-09-24 15:54:09,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 141 [2020-09-24 15:54:09,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-24 15:54:09,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:54:09,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:54:09,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 246 [2020-09-24 15:54:09,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:54:09,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,493 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:09,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:09,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:09,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:09,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 15:54:09,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:54:09,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:09,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:09,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:54:09,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:09,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:54:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 15:54:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:09,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 15:54:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:09,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:54:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:09,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:09,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:09,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 15:54:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:09,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:09,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-09-24 15:54:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:54:09,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:09,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:09,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-09-24 15:54:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:09,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-24 15:54:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:09,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:09,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-24 15:54:09,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632780623] [2020-09-24 15:54:09,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:54:09,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:54:09,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070617060] [2020-09-24 15:54:09,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:09,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:09,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:09,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:09,993 INFO L87 Difference]: Start difference. First operand 1551 states and 1721 transitions. Second operand 15 states. [2020-09-24 15:54:11,451 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:54:11,913 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:12,234 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:54:12,543 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:12,882 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 197