/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:58:11,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:58:11,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:58:11,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:58:11,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:58:11,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:58:11,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:58:11,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:58:11,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:58:11,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:58:11,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:58:11,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:58:11,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:58:11,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:58:11,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:58:11,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:58:11,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:58:11,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:58:11,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:58:11,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:58:11,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:58:11,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:58:11,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:58:11,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:58:11,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:58:11,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:58:11,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:58:11,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:58:11,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:58:11,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:58:11,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:58:11,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:58:11,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:58:11,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:58:11,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:58:11,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:58:11,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:58:11,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:58:11,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:58:11,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:58:11,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:58:11,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 16:58:12,013 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:58:12,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:58:12,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:58:12,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:58:12,016 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:58:12,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:58:12,017 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:58:12,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:58:12,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:58:12,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:58:12,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:58:12,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:58:12,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:58:12,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:58:12,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:58:12,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:58:12,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:58:12,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:58:12,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:58:12,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:58:12,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:58:12,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:58:12,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:58:12,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:58:12,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:58:12,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:58:12,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:58:12,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:58:12,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:58:12,023 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;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;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;log-additional-information=true; [2020-09-24 16:58:12,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:58:12,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:58:12,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:58:12,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:58:12,521 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:58:12,523 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-24 16:58:12,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/406e6fea2/4918c7505dfc46dfaa6f7144557d3f74/FLAG4db67e459 [2020-09-24 16:58:13,279 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:58:13,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-24 16:58:13,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/406e6fea2/4918c7505dfc46dfaa6f7144557d3f74/FLAG4db67e459 [2020-09-24 16:58:13,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/406e6fea2/4918c7505dfc46dfaa6f7144557d3f74 [2020-09-24 16:58:13,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:58:13,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:58:13,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:58:13,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:58:13,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:58:13,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:58:13" (1/1) ... [2020-09-24 16:58:13,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:13, skipping insertion in model container [2020-09-24 16:58:13,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:58:13" (1/1) ... [2020-09-24 16:58:13,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:58:13,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:58:14,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:58:14,045 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:58:14,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:58:14,201 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:58:14,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14 WrapperNode [2020-09-24 16:58:14,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:58:14,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:58:14,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:58:14,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:58:14,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... [2020-09-24 16:58:14,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:58:14,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:58:14,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:58:14,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:58:14,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:58:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:58:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:58:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:58:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 16:58:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 16:58:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 16:58:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:58:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:58:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:58:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:58:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:58:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:58:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:58:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:58:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:58:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:58:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:58:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:58:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:58:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:58:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:58:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:58:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:58:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:58:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:58:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:58:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:58:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:58:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 16:58:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:58:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:58:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 16:58:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:58:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 16:58:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:58:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:58:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:58:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:58:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:58:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 16:58:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:58:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 16:58:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 16:58:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 16:58:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:58:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:58:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:58:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:58:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:58:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:58:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:58:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:58:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:58:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:58:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:58:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:58:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:58:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:58:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:58:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:58:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:58:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:58:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:58:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:58:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:58:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 16:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 16:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 16:58:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 16:58:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 16:58:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:58:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:58:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:58:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:58:15,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:58:15,545 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:58:15,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:58:15 BoogieIcfgContainer [2020-09-24 16:58:15,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:58:15,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:58:15,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:58:15,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:58:15,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:58:13" (1/3) ... [2020-09-24 16:58:15,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb74ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:58:15, skipping insertion in model container [2020-09-24 16:58:15,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:58:14" (2/3) ... [2020-09-24 16:58:15,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb74ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:58:15, skipping insertion in model container [2020-09-24 16:58:15,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:58:15" (3/3) ... [2020-09-24 16:58:15,563 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-09-24 16:58:15,574 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:58:15,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:58:15,608 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:58:15,640 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:58:15,640 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:58:15,640 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:58:15,640 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:58:15,640 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:58:15,640 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:58:15,641 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:58:15,641 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:58:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-24 16:58:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 16:58:15,690 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:58:15,691 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 16:58:15,692 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:58:15,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:58:15,701 INFO L82 PathProgramCache]: Analyzing trace with hash 339982816, now seen corresponding path program 1 times [2020-09-24 16:58:15,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:58:15,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991923367] [2020-09-24 16:58:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:58:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:16,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:16,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:18,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:18,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:21,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 16:58:31,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:58:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15139 [2020-09-24 16:58:31,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:58:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 16:58:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:58:31,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-24 16:58:31,687 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 16:58:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:58:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 16:58:31,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 16:58:31,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:58:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:31,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:31,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:58:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:31,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:58:31,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 16:58:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:31,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:58:31,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:58:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:31,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:31,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:58:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:31,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:31,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:31,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:58:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 16:58:31,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:58:31,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:58:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:31,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:58:31,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 16:58:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:31,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:58:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:58:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:58:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:31,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 16:58:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:31,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:31,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:31,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:58:31,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:58:31,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:31,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:58:31,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:32,040 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 16:58:32,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991923367] [2020-09-24 16:58:32,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:58:32,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:58:32,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905594919] [2020-09-24 16:58:32,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:58:32,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:58:32,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:58:32,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:58:32,073 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 9 states. [2020-09-24 16:58:32,683 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:58:33,448 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:58:33,801 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 16:58:35,440 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:35,776 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 16:58:36,135 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:36,643 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 16:58:36,961 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 16:58:37,270 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 16:58:37,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:58:37,825 INFO L93 Difference]: Finished difference Result 598 states and 716 transitions. [2020-09-24 16:58:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 16:58:37,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 16:58:37,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:58:37,850 INFO L225 Difference]: With dead ends: 598 [2020-09-24 16:58:37,850 INFO L226 Difference]: Without dead ends: 405 [2020-09-24 16:58:37,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 16:58:37,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-09-24 16:58:38,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 357. [2020-09-24 16:58:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-24 16:58:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 397 transitions. [2020-09-24 16:58:38,026 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 397 transitions. Word has length 160 [2020-09-24 16:58:38,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:58:38,030 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 397 transitions. [2020-09-24 16:58:38,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:58:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 397 transitions. [2020-09-24 16:58:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 16:58:38,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:58:38,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:58:38,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:58:38,048 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:58:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:58:38,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1668042525, now seen corresponding path program 1 times [2020-09-24 16:58:38,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:58:38,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746211659] [2020-09-24 16:58:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:58:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:38,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:38,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 16:58:38,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-09-24 16:58:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:58:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 16:58:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 16:58:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,294 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 16:58:39,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:58:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 16:58:39,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 16:58:39,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:58:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:39,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:58:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 16:58:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:39,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:58:39,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 16:58:39,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:58:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:39,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:58:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:39,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 16:58:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:39,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:58:39,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:58:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 16:58:39,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:58:39,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:39,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:58:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:39,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 16:58:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 16:58:39,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 16:58:39,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:58:39,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 16:58:39,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 16:58:39,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:58:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:58:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 16:58:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:58:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:58:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 16:58:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:39,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:58:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:58:39,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:58:39,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:58:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:58:39,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 16:58:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 16:58:39,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:58:39,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 16:58:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:58:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 16:58:39,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:39,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:58:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:39,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:58:39,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:58:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:39,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 16:58:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:39,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:58:39,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 16:58:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:39,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:58:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:39,848 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 16:58:39,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746211659] [2020-09-24 16:58:39,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:58:39,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:58:39,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384360012] [2020-09-24 16:58:39,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:58:39,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:58:39,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:58:39,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:58:39,856 INFO L87 Difference]: Start difference. First operand 357 states and 397 transitions. Second operand 10 states. [2020-09-24 16:58:41,342 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:41,650 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:58:41,986 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:42,348 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:58:42,657 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:58:43,830 INFO L93 Difference]: Finished difference Result 761 states and 950 transitions. [2020-09-24 16:58:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 16:58:43,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2020-09-24 16:58:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:58:43,837 INFO L225 Difference]: With dead ends: 761 [2020-09-24 16:58:43,838 INFO L226 Difference]: Without dead ends: 519 [2020-09-24 16:58:43,842 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 16:58:43,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-24 16:58:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 366. [2020-09-24 16:58:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-09-24 16:58:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2020-09-24 16:58:43,910 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 229 [2020-09-24 16:58:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:58:43,911 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2020-09-24 16:58:43,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:58:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2020-09-24 16:58:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-24 16:58:43,915 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:58:43,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:58:43,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:58:43,916 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:58:43,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:58:43,916 INFO L82 PathProgramCache]: Analyzing trace with hash 228243133, now seen corresponding path program 1 times [2020-09-24 16:58:43,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:58:43,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111810292] [2020-09-24 16:58:43,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:58:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:44,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:44,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:44,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 16:58:44,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 894 [2020-09-24 16:58:44,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:58:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 16:58:44,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:58:44,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:45,216 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 16:58:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:58:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 16:58:45,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 16:58:45,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:45,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 16:58:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:45,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:58:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:45,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:58:45,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 16:58:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:45,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:58:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:58:45,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:58:45,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 16:58:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:45,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 16:58:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:45,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:58:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 16:58:45,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:58:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:45,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 16:58:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 16:58:45,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 16:58:45,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:58:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:58:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:58:45,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:58:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:58:45,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 16:58:45,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:58:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:58:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:58:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:58:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:58:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 16:58:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 16:58:45,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:58:45,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 16:58:45,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:58:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 16:58:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:58:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:58:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 16:58:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:58:45,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:58:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:58:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 16:58:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:45,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:58:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:58:45,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 16:58:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:45,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:45,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:58:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:58:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:58:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:58:45,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:58:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:58:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:58:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:58:45,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:58:45,826 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 16:58:45,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111810292] [2020-09-24 16:58:45,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:58:45,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 16:58:45,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683341899] [2020-09-24 16:58:45,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 16:58:45,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:58:45,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 16:58:45,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:58:45,829 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 11 states. [2020-09-24 16:58:47,429 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:47,732 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:58:48,051 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 16:58:48,404 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:48,728 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:58:49,033 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:58:50,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:58:50,005 INFO L93 Difference]: Finished difference Result 775 states and 967 transitions. [2020-09-24 16:58:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 16:58:50,007 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2020-09-24 16:58:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:58:50,012 INFO L225 Difference]: With dead ends: 775 [2020-09-24 16:58:50,012 INFO L226 Difference]: Without dead ends: 524 [2020-09-24 16:58:50,014 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 16:58:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-24 16:58:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 374. [2020-09-24 16:58:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-24 16:58:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 417 transitions. [2020-09-24 16:58:50,073 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 417 transitions. Word has length 229 [2020-09-24 16:58:50,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:58:50,074 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 417 transitions. [2020-09-24 16:58:50,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 16:58:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 417 transitions. [2020-09-24 16:58:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-24 16:58:50,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:58:50,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:58:50,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:58:50,079 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:58:50,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:58:50,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1219993492, now seen corresponding path program 1 times [2020-09-24 16:58:50,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:58:50,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979693525] [2020-09-24 16:58:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:58:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:58:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:50,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:50,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:51,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:58:51,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking...