/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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:05,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:05,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:05,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:05,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:05,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:05,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:05,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:05,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:05,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:05,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:05,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:05,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:05,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:05,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:05,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:05,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:05,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:05,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:05,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:05,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:05,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:05,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:05,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:05,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:05,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:05,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:05,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:05,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:05,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:05,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:05,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:05,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:05,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:05,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:05,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:05,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:05,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:05,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:05,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:05,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:05,917 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 15:54:05,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:05,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:05,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:05,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:05,978 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:05,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:05,979 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:05,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:05,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:05,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:05,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:05,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:05,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:05,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:05,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:05,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:05,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:05,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:05,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:05,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:05,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:05,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:05,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:05,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:05,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:05,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:05,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:05,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:05,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:05,985 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 15:54:06,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:06,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:06,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:06,464 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:06,464 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:06,466 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-24 15:54:06,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ab362e09/697a0770740b4b36af873e84567b4b38/FLAG36f3433c2 [2020-09-24 15:54:07,209 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:07,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-24 15:54:07,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ab362e09/697a0770740b4b36af873e84567b4b38/FLAG36f3433c2 [2020-09-24 15:54:07,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ab362e09/697a0770740b4b36af873e84567b4b38 [2020-09-24 15:54:07,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:07,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:07,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:07,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:07,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:07,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:07" (1/1) ... [2020-09-24 15:54:07,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:07, skipping insertion in model container [2020-09-24 15:54:07,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:07" (1/1) ... [2020-09-24 15:54:07,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:07,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:07,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:08,065 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:08,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:08,226 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:08,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08 WrapperNode [2020-09-24 15:54:08,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:08,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:08,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:08,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:08,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (1/1) ... [2020-09-24 15:54:08,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:08,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:08,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:08,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:08,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (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 15:54:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:54:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:54:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:54:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:09,628 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:09,628 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:09,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:09 BoogieIcfgContainer [2020-09-24 15:54:09,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:09,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:09,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:09,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:09,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:07" (1/3) ... [2020-09-24 15:54:09,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34de9f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:09, skipping insertion in model container [2020-09-24 15:54:09,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:08" (2/3) ... [2020-09-24 15:54:09,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34de9f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:09, skipping insertion in model container [2020-09-24 15:54:09,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:09" (3/3) ... [2020-09-24 15:54:09,647 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-24 15:54:09,660 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:09,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:09,696 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:09,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:09,736 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:09,736 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:09,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:09,737 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:09,737 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:09,737 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:09,737 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-24 15:54:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:09,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:09,792 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 15:54:09,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:09,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:09,802 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-24 15:54:09,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:09,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118130680] [2020-09-24 15:54:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:10,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:54:10,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,751 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:10,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:10,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:10,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:10,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:10,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:10,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:10,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:10,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:10,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:10,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:10,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:10,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:10,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:10,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:10,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:10,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:10,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:10,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:10,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:10,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:10,954 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 15:54:10,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118130680] [2020-09-24 15:54:10,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:10,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:10,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375485545] [2020-09-24 15:54:10,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:10,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:10,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:10,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:10,986 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 4 states. [2020-09-24 15:54:12,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:12,475 INFO L93 Difference]: Finished difference Result 569 states and 666 transitions. [2020-09-24 15:54:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:12,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:12,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:12,498 INFO L225 Difference]: With dead ends: 569 [2020-09-24 15:54:12,498 INFO L226 Difference]: Without dead ends: 351 [2020-09-24 15:54:12,504 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 15:54:12,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-24 15:54:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 303. [2020-09-24 15:54:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-24 15:54:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 331 transitions. [2020-09-24 15:54:12,619 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 331 transitions. Word has length 160 [2020-09-24 15:54:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:12,620 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 331 transitions. [2020-09-24 15:54:12,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 331 transitions. [2020-09-24 15:54:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:12,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:12,626 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 15:54:12,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:12,626 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:12,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:12,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2075110629, now seen corresponding path program 1 times [2020-09-24 15:54:12,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:12,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478971402] [2020-09-24 15:54:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:12,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:12,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,062 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:13,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:13,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:13,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:13,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:13,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:13,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:13,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:13,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:13,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:13,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:13,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:13,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:13,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:13,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:13,195 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 15:54:13,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478971402] [2020-09-24 15:54:13,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:13,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:13,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923784858] [2020-09-24 15:54:13,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:13,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:13,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:13,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:13,199 INFO L87 Difference]: Start difference. First operand 303 states and 331 transitions. Second operand 5 states. [2020-09-24 15:54:13,945 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:15,313 INFO L93 Difference]: Finished difference Result 494 states and 558 transitions. [2020-09-24 15:54:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:15,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:54:15,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:15,319 INFO L225 Difference]: With dead ends: 494 [2020-09-24 15:54:15,319 INFO L226 Difference]: Without dead ends: 340 [2020-09-24 15:54:15,321 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 15:54:15,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-09-24 15:54:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2020-09-24 15:54:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-24 15:54:15,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 318 transitions. [2020-09-24 15:54:15,367 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 318 transitions. Word has length 161 [2020-09-24 15:54:15,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:15,368 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 318 transitions. [2020-09-24 15:54:15,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 318 transitions. [2020-09-24 15:54:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:54:15,371 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:15,372 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 15:54:15,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:54:15,372 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:15,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:15,373 INFO L82 PathProgramCache]: Analyzing trace with hash -301318836, now seen corresponding path program 1 times [2020-09-24 15:54:15,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:15,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345936936] [2020-09-24 15:54:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:15,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:54:15,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:54:15,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:54:15,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:15,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:54:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,744 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:15,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:15,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:15,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:15,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:15,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:54:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:54:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,929 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 15:54:15,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345936936] [2020-09-24 15:54:15,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:15,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:54:15,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217378338] [2020-09-24 15:54:15,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:54:15,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:15,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:54:15,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:54:15,932 INFO L87 Difference]: Start difference. First operand 293 states and 318 transitions. Second operand 6 states. [2020-09-24 15:54:16,641 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:17,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:17,962 INFO L93 Difference]: Finished difference Result 541 states and 623 transitions. [2020-09-24 15:54:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:54:17,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:54:17,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:17,967 INFO L225 Difference]: With dead ends: 541 [2020-09-24 15:54:17,968 INFO L226 Difference]: Without dead ends: 363 [2020-09-24 15:54:17,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-09-24 15:54:18,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 293. [2020-09-24 15:54:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-24 15:54:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 317 transitions. [2020-09-24 15:54:18,029 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 317 transitions. Word has length 174 [2020-09-24 15:54:18,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:18,032 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 317 transitions. [2020-09-24 15:54:18,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:54:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 317 transitions. [2020-09-24 15:54:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-24 15:54:18,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:18,036 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] [2020-09-24 15:54:18,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:54:18,036 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:18,037 INFO L82 PathProgramCache]: Analyzing trace with hash 453454143, now seen corresponding path program 1 times [2020-09-24 15:54:18,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:18,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773350205] [2020-09-24 15:54:18,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-09-24 15:54:18,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:54:18,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:54:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:54:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-24 15:54:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,612 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:18,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:54:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:18,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:18,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:18,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:18,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:54:18,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:18,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:54:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:54:18,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:18,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:18,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:54:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:18,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:18,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:18,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 15:54:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 15:54:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:19,049 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 15:54:19,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773350205] [2020-09-24 15:54:19,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:19,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:19,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876400878] [2020-09-24 15:54:19,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:19,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:19,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:19,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:19,052 INFO L87 Difference]: Start difference. First operand 293 states and 317 transitions. Second operand 8 states. [2020-09-24 15:54:19,825 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:21,939 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:22,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:22,809 INFO L93 Difference]: Finished difference Result 736 states and 875 transitions. [2020-09-24 15:54:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:54:22,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-24 15:54:22,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:22,816 INFO L225 Difference]: With dead ends: 736 [2020-09-24 15:54:22,816 INFO L226 Difference]: Without dead ends: 558 [2020-09-24 15:54:22,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:54:22,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-09-24 15:54:22,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 420. [2020-09-24 15:54:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-09-24 15:54:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 454 transitions. [2020-09-24 15:54:22,877 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 454 transitions. Word has length 192 [2020-09-24 15:54:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:22,878 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 454 transitions. [2020-09-24 15:54:22,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:54:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 454 transitions. [2020-09-24 15:54:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 15:54:22,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:22,881 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] [2020-09-24 15:54:22,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:54:22,882 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:22,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:22,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1112059106, now seen corresponding path program 1 times [2020-09-24 15:54:22,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:22,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094560891] [2020-09-24 15:54:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 15:54:23,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:54:23,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:54:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:54:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-09-24 15:54:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,443 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:54:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:23,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:23,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:23,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:23,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:23,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:54:23,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:54:23,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:54:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:54:23,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:23,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:23,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:54:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:23,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:23,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:23,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:23,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:54:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:23,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:23,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 15:54:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:23,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:23,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:23,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:23,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:23,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:23,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:23,826 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 15:54:23,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094560891] [2020-09-24 15:54:23,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:23,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:54:23,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093143405] [2020-09-24 15:54:23,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:54:23,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:23,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:54:23,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:23,829 INFO L87 Difference]: Start difference. First operand 420 states and 454 transitions. Second operand 11 states. [2020-09-24 15:54:24,374 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:25,394 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:26,004 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-24 15:54:27,097 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:27,510 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:27,904 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:28,595 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:28,923 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:29,239 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:30,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:30,418 INFO L93 Difference]: Finished difference Result 862 states and 1004 transitions. [2020-09-24 15:54:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:54:30,418 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-24 15:54:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:30,423 INFO L225 Difference]: With dead ends: 862 [2020-09-24 15:54:30,423 INFO L226 Difference]: Without dead ends: 557 [2020-09-24 15:54:30,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:54:30,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-09-24 15:54:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 419. [2020-09-24 15:54:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-24 15:54:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 451 transitions. [2020-09-24 15:54:30,502 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 451 transitions. Word has length 216 [2020-09-24 15:54:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:30,503 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 451 transitions. [2020-09-24 15:54:30,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:54:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 451 transitions. [2020-09-24 15:54:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:30,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:30,508 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] [2020-09-24 15:54:30,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:54:30,508 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:30,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:30,509 INFO L82 PathProgramCache]: Analyzing trace with hash -181604155, now seen corresponding path program 1 times [2020-09-24 15:54:30,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:30,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437065597] [2020-09-24 15:54:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:30,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:30,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-24 15:54:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:30,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,894 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:30,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:30,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:30,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:30,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:30,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:30,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:30,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:30,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:30,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:30,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:30,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:31,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:54:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:54:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:31,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:54:31,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:54:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:31,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:31,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:31,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,228 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 15:54:31,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437065597] [2020-09-24 15:54:31,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:31,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:54:31,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486227554] [2020-09-24 15:54:31,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:54:31,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:31,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:54:31,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:31,232 INFO L87 Difference]: Start difference. First operand 419 states and 451 transitions. Second operand 11 states. [2020-09-24 15:54:32,838 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:33,151 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:33,465 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:33,787 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:34,103 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:34,394 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:35,723 INFO L93 Difference]: Finished difference Result 863 states and 1001 transitions. [2020-09-24 15:54:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:54:35,723 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-24 15:54:35,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:35,727 INFO L225 Difference]: With dead ends: 863 [2020-09-24 15:54:35,727 INFO L226 Difference]: Without dead ends: 559 [2020-09-24 15:54:35,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:54:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-09-24 15:54:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 427. [2020-09-24 15:54:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-09-24 15:54:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 459 transitions. [2020-09-24 15:54:35,779 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 459 transitions. Word has length 217 [2020-09-24 15:54:35,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:35,780 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 459 transitions. [2020-09-24 15:54:35,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:54:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 459 transitions. [2020-09-24 15:54:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:35,783 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:35,783 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] [2020-09-24 15:54:35,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:54:35,783 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:35,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:35,784 INFO L82 PathProgramCache]: Analyzing trace with hash -243932891, now seen corresponding path program 1 times [2020-09-24 15:54:35,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:35,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435862792] [2020-09-24 15:54:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:35,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:35,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -98 [2020-09-24 15:54:35,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 98 [2020-09-24 15:54:35,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:35,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:35,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:35,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 15:54:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:35,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,123 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:36,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:36,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:36,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:36,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:36,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:36,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:36,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:36,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:36,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:36,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:54:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:36,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:36,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:54:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:36,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:36,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:36,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:36,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:54:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:36,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:36,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:36,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:36,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:54:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:36,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:36,455 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 15:54:36,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435862792] [2020-09-24 15:54:36,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:36,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:36,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829396731] [2020-09-24 15:54:36,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:36,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:36,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:36,463 INFO L87 Difference]: Start difference. First operand 427 states and 459 transitions. Second operand 10 states. [2020-09-24 15:54:37,764 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:38,107 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:38,434 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:38,748 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:39,042 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:40,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:40,352 INFO L93 Difference]: Finished difference Result 882 states and 1033 transitions. [2020-09-24 15:54:40,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:54:40,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 15:54:40,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:40,356 INFO L225 Difference]: With dead ends: 882 [2020-09-24 15:54:40,356 INFO L226 Difference]: Without dead ends: 570 [2020-09-24 15:54:40,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:54:40,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-09-24 15:54:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 433. [2020-09-24 15:54:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-24 15:54:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 465 transitions. [2020-09-24 15:54:40,419 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 465 transitions. Word has length 217 [2020-09-24 15:54:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:40,419 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 465 transitions. [2020-09-24 15:54:40,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 465 transitions. [2020-09-24 15:54:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:40,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:40,424 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] [2020-09-24 15:54:40,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:54:40,424 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:40,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1895973026, now seen corresponding path program 1 times [2020-09-24 15:54:40,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:40,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027240070] [2020-09-24 15:54:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:40,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:54:40,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:54:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-24 15:54:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,853 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:40,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:40,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:54:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:40,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:40,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:40,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:40,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:40,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:40,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:40,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:40,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:40,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:41,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:41,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:54:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:54:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:41,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:41,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:54:41,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:41,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:41,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:41,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:41,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 15:54:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:41,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:41,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:41,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:41,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:41,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:41,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:41,333 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 15:54:41,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027240070] [2020-09-24 15:54:41,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:41,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:41,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57208300] [2020-09-24 15:54:41,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:41,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:41,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:41,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:41,337 INFO L87 Difference]: Start difference. First operand 433 states and 465 transitions. Second operand 8 states. [2020-09-24 15:54:41,873 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:42,516 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:45,386 INFO L93 Difference]: Finished difference Result 1223 states and 1469 transitions. [2020-09-24 15:54:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:54:45,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-24 15:54:45,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:45,393 INFO L225 Difference]: With dead ends: 1223 [2020-09-24 15:54:45,393 INFO L226 Difference]: Without dead ends: 905 [2020-09-24 15:54:45,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:54:45,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-09-24 15:54:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 698. [2020-09-24 15:54:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-09-24 15:54:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 769 transitions. [2020-09-24 15:54:45,481 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 769 transitions. Word has length 217 [2020-09-24 15:54:45,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:45,482 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 769 transitions. [2020-09-24 15:54:45,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:54:45,482 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 769 transitions. [2020-09-24 15:54:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:54:45,484 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:45,484 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] [2020-09-24 15:54:45,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:54:45,485 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:45,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:45,485 INFO L82 PathProgramCache]: Analyzing trace with hash -343933007, now seen corresponding path program 1 times [2020-09-24 15:54:45,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:45,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360701987] [2020-09-24 15:54:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:45,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:45,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -68 [2020-09-24 15:54:45,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 68 [2020-09-24 15:54:45,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:45,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-24 15:54:45,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:45,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 15:54:45,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:54:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:54:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 15:54:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:45,991 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:46,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:54:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:46,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:46,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:46,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:46,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:46,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:46,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:46,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:46,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:46,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:46,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:46,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:46,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:46,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:54:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:46,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:46,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:54:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:46,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:46,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:46,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:46,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:54:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:54:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:46,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,378 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 15:54:46,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360701987] [2020-09-24 15:54:46,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:46,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:54:46,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322452179] [2020-09-24 15:54:46,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:46,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:46,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:46,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:46,381 INFO L87 Difference]: Start difference. First operand 698 states and 769 transitions. Second operand 15 states. [2020-09-24 15:54:47,022 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:48,047 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:49,909 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:50,236 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:50,578 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:50,892 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:51,236 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:51,564 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:51,936 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:52,262 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:54,585 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:54,847 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:55,256 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:55,965 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:57,516 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:54:58,124 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:54:58,864 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:55:00,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:00,114 INFO L93 Difference]: Finished difference Result 2196 states and 2624 transitions. [2020-09-24 15:55:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-09-24 15:55:00,117 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-09-24 15:55:00,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:00,131 INFO L225 Difference]: With dead ends: 2196 [2020-09-24 15:55:00,131 INFO L226 Difference]: Without dead ends: 1725 [2020-09-24 15:55:00,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=780, Invalid=3002, Unknown=0, NotChecked=0, Total=3782 [2020-09-24 15:55:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2020-09-24 15:55:00,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1281. [2020-09-24 15:55:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2020-09-24 15:55:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1397 transitions. [2020-09-24 15:55:00,307 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1397 transitions. Word has length 222 [2020-09-24 15:55:00,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:00,309 INFO L479 AbstractCegarLoop]: Abstraction has 1281 states and 1397 transitions. [2020-09-24 15:55:00,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:55:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1397 transitions. [2020-09-24 15:55:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-24 15:55:00,315 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:00,316 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, 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, 1, 1, 1, 1] [2020-09-24 15:55:00,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:55:00,316 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:00,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:00,317 INFO L82 PathProgramCache]: Analyzing trace with hash 731830726, now seen corresponding path program 1 times [2020-09-24 15:55:00,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:00,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639788373] [2020-09-24 15:55:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -125 [2020-09-24 15:55:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 125 [2020-09-24 15:55:00,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-09-24 15:55:00,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:55:00,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:55:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-09-24 15:55:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-24 15:55:00,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,745 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:00,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:00,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:00,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:00,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:00,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:00,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:55:00,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:00,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:00,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:00,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:55:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:55:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:00,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:55:00,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:55:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:55:00,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:00,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:55:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:55:00,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:55:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:00,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:00,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:00,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:00,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:55:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:00,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:00,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:00,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:00,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:00,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:55:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:55:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:01,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:55:01,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:01,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:01,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-24 15:55:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:01,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-24 15:55:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:55:01,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:55:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:01,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:55:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:55:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:55:01,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-24 15:55:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-24 15:55:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 15:55:01,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639788373] [2020-09-24 15:55:01,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:55:01,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:55:01,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330711265] [2020-09-24 15:55:01,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:55:01,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:01,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:55:01,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:55:01,329 INFO L87 Difference]: Start difference. First operand 1281 states and 1397 transitions. Second operand 15 states. [2020-09-24 15:55:02,085 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 196