/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:19:15,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:19:15,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:19:15,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:19:15,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:19:15,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:19:15,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:19:15,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:19:15,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:19:15,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:19:15,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:19:15,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:19:15,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:19:15,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:19:15,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:19:15,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:19:15,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:19:15,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:19:15,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:19:15,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:19:15,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:19:15,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:19:15,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:19:15,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:19:15,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:19:15,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:19:15,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:19:15,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:19:15,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:19:15,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:19:15,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:19:15,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:19:15,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:19:15,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:19:15,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:19:15,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:19:15,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:19:15,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:19:15,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:19:15,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:19:15,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:19:15,623 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 20:19:15,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:19:15,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:19:15,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:19:15,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:19:15,650 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:19:15,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:19:15,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:19:15,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:19:15,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:19:15,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:19:15,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:19:15,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:19:15,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:19:15,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:19:15,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:19:15,652 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:19:15,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:19:15,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:19:15,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:19:15,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:19:15,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:19:15,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:19:15,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:19:15,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:19:15,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:19:15,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:19:15,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:19:15,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:19:15,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:19:15,655 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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:19:16,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:19:16,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:19:16,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:19:16,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:19:16,155 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:19:16,157 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-24 20:19:16,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bcc758d1/3c3e20403f41430b899a4b44bd6b96a7/FLAG898e149ab [2020-09-24 20:19:16,884 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:19:16,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-24 20:19:16,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bcc758d1/3c3e20403f41430b899a4b44bd6b96a7/FLAG898e149ab [2020-09-24 20:19:17,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4bcc758d1/3c3e20403f41430b899a4b44bd6b96a7 [2020-09-24 20:19:17,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:19:17,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:19:17,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:19:17,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:19:17,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:19:17,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:17,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a11f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17, skipping insertion in model container [2020-09-24 20:19:17,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:17,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:19:17,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:19:17,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:19:17,769 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:19:17,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:19:17,931 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:19:17,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17 WrapperNode [2020-09-24 20:19:17,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:19:17,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:19:17,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:19:17,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:19:17,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:17,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:17,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:17,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:18,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:18,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:18,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... [2020-09-24 20:19:18,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:19:18,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:19:18,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:19:18,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:19:18,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:19:18,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:19:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:19:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:19:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:19:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:19:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:19:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:19:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:19:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:19:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:19:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:19:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:19:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:19:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:19:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:19:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:19:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:19:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:19:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:19:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:19:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:19:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:19:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:19:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:19:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:19:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:19:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:19:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:19:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:19:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:19:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:19:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:19:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:19:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:19:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:19:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:19:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:19:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:19:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:19:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:19:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:19:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:19:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:19:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:19:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:19:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:19:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:19:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:19:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:19:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:19:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:19:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:19:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:19:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:19:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:19:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:19:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:19:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:19:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:19:18,122 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:19:18,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:19:18,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:19:18,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:19:18,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:19:18,122 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:19:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:19:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:19:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:19:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:19:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:19:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:19:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:19:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:19:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:19:18,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:19:18,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:19:19,319 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:19:19,319 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:19:19,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:19:19 BoogieIcfgContainer [2020-09-24 20:19:19,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:19:19,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:19:19,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:19:19,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:19:19,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:19:17" (1/3) ... [2020-09-24 20:19:19,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c754f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:19:19, skipping insertion in model container [2020-09-24 20:19:19,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:19:17" (2/3) ... [2020-09-24 20:19:19,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c754f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:19:19, skipping insertion in model container [2020-09-24 20:19:19,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:19:19" (3/3) ... [2020-09-24 20:19:19,337 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-09-24 20:19:19,348 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:19:19,360 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:19:19,383 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:19:19,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:19:19,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:19:19,418 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:19:19,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:19:19,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:19:19,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:19:19,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:19:19,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:19:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-24 20:19:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 20:19:19,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:19:19,470 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 20:19:19,470 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:19:19,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:19:19,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1597638974, now seen corresponding path program 1 times [2020-09-24 20:19:19,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:19:19,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847382677] [2020-09-24 20:19:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:19:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:20,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:21,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:21,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:24,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:24,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 20:19:24,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:19:24,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-24 20:19:24,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:19:24,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:19:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 20:19:24,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-24 20:19:25,498 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:19:25,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:19:25,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-24 20:19:25,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:19:25,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:19:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:25,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:25,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:19:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:19:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:25,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:19:25,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:19:25,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:19:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:25,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:19:25,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:19:25,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:19:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:25,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:25,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:19:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:19:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:25,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:19:25,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:19:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:19:25,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:19:25,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:19:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:25,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:25,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 20:19:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:25,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:25,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:25,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:19:25,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:25,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:25,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:19:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:25,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 20:19:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:26,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:26,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:26,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:26,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:26,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:19:26,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:19:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:19:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:26,108 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 20:19:26,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847382677] [2020-09-24 20:19:26,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:19:26,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:19:26,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526805859] [2020-09-24 20:19:26,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:19:26,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:19:26,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:19:26,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:19:26,153 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 9 states. [2020-09-24 20:19:26,888 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:19:27,664 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:27,994 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:19:29,207 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:19:29,521 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:29,821 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:19:30,211 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:30,565 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:19:30,863 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:19:31,469 INFO L93 Difference]: Finished difference Result 575 states and 700 transitions. [2020-09-24 20:19:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:19:31,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 20:19:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:19:31,496 INFO L225 Difference]: With dead ends: 575 [2020-09-24 20:19:31,496 INFO L226 Difference]: Without dead ends: 395 [2020-09-24 20:19:31,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:19:31,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-24 20:19:31,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 344. [2020-09-24 20:19:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-24 20:19:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 385 transitions. [2020-09-24 20:19:31,633 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 385 transitions. Word has length 160 [2020-09-24 20:19:31,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:19:31,634 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 385 transitions. [2020-09-24 20:19:31,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:19:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 385 transitions. [2020-09-24 20:19:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 20:19:31,640 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:19:31,640 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] [2020-09-24 20:19:31,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:19:31,641 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:19:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:19:31,642 INFO L82 PathProgramCache]: Analyzing trace with hash -67508309, now seen corresponding path program 1 times [2020-09-24 20:19:31,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:19:31,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439792963] [2020-09-24 20:19:31,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:19:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:31,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:32,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:32,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 20:19:32,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:32,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-09-24 20:19:32,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:19:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 20:19:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:19:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:33,031 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:19:33,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:19:33,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 20:19:33,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:19:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:33,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:19:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:33,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:19:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:33,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:19:33,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:19:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:19:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:33,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:19:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:33,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:33,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:19:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:19:33,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:33,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 20:19:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:19:33,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 20:19:33,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:19:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:19:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:19:33,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:19:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:19:33,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 20:19:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:19:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:19:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:19:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:19:33,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:19:33,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:19:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:33,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:33,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:19:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 20:19:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:33,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:19:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:33,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 20:19:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:33,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:33,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:19:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:33,569 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 20:19:33,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439792963] [2020-09-24 20:19:33,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:19:33,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 20:19:33,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502983347] [2020-09-24 20:19:33,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 20:19:33,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:19:33,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 20:19:33,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:19:33,576 INFO L87 Difference]: Start difference. First operand 344 states and 385 transitions. Second operand 11 states. [2020-09-24 20:19:35,300 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:19:35,624 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:19:35,956 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:19:36,326 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:36,664 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:19:36,976 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:19:38,091 INFO L93 Difference]: Finished difference Result 741 states and 921 transitions. [2020-09-24 20:19:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:19:38,092 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-24 20:19:38,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:19:38,099 INFO L225 Difference]: With dead ends: 741 [2020-09-24 20:19:38,099 INFO L226 Difference]: Without dead ends: 512 [2020-09-24 20:19:38,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 20:19:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-09-24 20:19:38,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 358. [2020-09-24 20:19:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-09-24 20:19:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 402 transitions. [2020-09-24 20:19:38,183 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 402 transitions. Word has length 207 [2020-09-24 20:19:38,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:19:38,185 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 402 transitions. [2020-09-24 20:19:38,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 20:19:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 402 transitions. [2020-09-24 20:19:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 20:19:38,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:19:38,190 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] [2020-09-24 20:19:38,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:19:38,191 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:19:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:19:38,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1295776338, now seen corresponding path program 1 times [2020-09-24 20:19:38,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:19:38,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110948589] [2020-09-24 20:19:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:19:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:38,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 20:19:40,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:19:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1982 [2020-09-24 20:19:40,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:19:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-24 20:19:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:19:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,656 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:19:40,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:19:40,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 20:19:40,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:19:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:40,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:40,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:19:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:40,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:40,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:19:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:40,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:19:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:40,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:40,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:19:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:40,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:40,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:19:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:19:40,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:40,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:40,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:40,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:19:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:40,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:40,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:40,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:19:40,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 20:19:40,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:19:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:19:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:19:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:19:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:41,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:41,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:19:41,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:41,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 20:19:41,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:41,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:19:41,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:19:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:19:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:41,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:19:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:41,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:41,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:41,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:19:41,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:19:41,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:19:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:19:41,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:19:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:41,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:41,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:41,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:19:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 20:19:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:41,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:41,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:19:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:19:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:41,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:41,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:41,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:41,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:41,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:19:41,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:41,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:41,306 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 20:19:41,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110948589] [2020-09-24 20:19:41,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:19:41,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:19:41,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210474789] [2020-09-24 20:19:41,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:19:41,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:19:41,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:19:41,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:19:41,309 INFO L87 Difference]: Start difference. First operand 358 states and 402 transitions. Second operand 9 states. [2020-09-24 20:19:42,687 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:19:42,967 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:19:43,317 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:19:43,693 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:19:44,035 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:19:44,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:19:44,842 INFO L93 Difference]: Finished difference Result 693 states and 846 transitions. [2020-09-24 20:19:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:19:44,844 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2020-09-24 20:19:44,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:19:44,854 INFO L225 Difference]: With dead ends: 693 [2020-09-24 20:19:44,855 INFO L226 Difference]: Without dead ends: 450 [2020-09-24 20:19:44,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:19:44,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-09-24 20:19:44,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 364. [2020-09-24 20:19:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-09-24 20:19:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 408 transitions. [2020-09-24 20:19:44,910 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 408 transitions. Word has length 194 [2020-09-24 20:19:44,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:19:44,911 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 408 transitions. [2020-09-24 20:19:44,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:19:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 408 transitions. [2020-09-24 20:19:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 20:19:44,915 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:19:44,915 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] [2020-09-24 20:19:44,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:19:44,915 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:19:44,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:19:44,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1475225079, now seen corresponding path program 1 times [2020-09-24 20:19:44,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:19:44,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758898804] [2020-09-24 20:19:44,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:19:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:45,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:45,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:46,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:47,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:49,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:49,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-24 20:19:49,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:19:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 20:19:49,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:19:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 20:19:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 20:19:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:50,285 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:19:50,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:19:50,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 20:19:50,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 20:19:50,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:19:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:50,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:19:50,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:19:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:50,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:50,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:19:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:19:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:19:50,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:19:50,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:19:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:19:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:19:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:19:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:50,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:50,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:19:50,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:19:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 20:19:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 20:19:50,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:19:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:19:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 20:19:50,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:19:50,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:19:50,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:19:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:19:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:50,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:50,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:50,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 20:19:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:50,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:50,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:50,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:19:50,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:19:50,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:19:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 20:19:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:19:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:51,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:19:51,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:19:51,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:19:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 20:19:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:19:51,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:51,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:19:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:19:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:51,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:51,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:51,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:19:51,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 20:19:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:19:51,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:19:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-24 20:19:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:19:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:19:51,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:19:51,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:19:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:19:51,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:19:51,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:51,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:19:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:19:51,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:19:51,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:19:51,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 20:19:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:51,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:51,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:19:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 20:19:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:19:51,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:19:51,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:19:51,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:19:51,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:19:51,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:19:51,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:19:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:19:51,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:19:51,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:19:51,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:19:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 20:19:51,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758898804] [2020-09-24 20:19:51,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:19:51,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 20:19:51,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186813858] [2020-09-24 20:19:51,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 20:19:51,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:19:51,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 20:19:51,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-24 20:19:51,296 INFO L87 Difference]: Start difference. First operand 364 states and 408 transitions. Second operand 14 states. [2020-09-24 20:19:52,015 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:19:53,337 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-24 20:19:54,134 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:54,481 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:19:54,853 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:55,226 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:19:55,528 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:19:56,417 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-24 20:19:57,070 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-24 20:19:57,693 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-24 20:19:58,321 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-24 20:19:58,899 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-24 20:20:00,496 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:20:00,802 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:01,138 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:20:01,463 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:01,781 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:20:03,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:20:03,321 INFO L93 Difference]: Finished difference Result 1298 states and 1779 transitions. [2020-09-24 20:20:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-24 20:20:03,322 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 230 [2020-09-24 20:20:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:20:03,331 INFO L225 Difference]: With dead ends: 1298 [2020-09-24 20:20:03,331 INFO L226 Difference]: Without dead ends: 1016 [2020-09-24 20:20:03,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=468, Invalid=1788, Unknown=0, NotChecked=0, Total=2256 [2020-09-24 20:20:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2020-09-24 20:20:03,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 803. [2020-09-24 20:20:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-09-24 20:20:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 947 transitions. [2020-09-24 20:20:03,454 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 947 transitions. Word has length 230 [2020-09-24 20:20:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:20:03,455 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 947 transitions. [2020-09-24 20:20:03,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 20:20:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 947 transitions. [2020-09-24 20:20:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-09-24 20:20:03,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:03,462 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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 20:20:03,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 20:20:03,462 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:03,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:03,463 INFO L82 PathProgramCache]: Analyzing trace with hash 500695646, now seen corresponding path program 1 times [2020-09-24 20:20:03,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:03,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880019056] [2020-09-24 20:20:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:03,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:03,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:04,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:05,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:05,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:06,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking...