/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 SequenceOfStatements --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 --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:47:26,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:47:26,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:47:27,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:47:27,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:47:27,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:47:27,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:47:27,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:47:27,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:47:27,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:47:27,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:47:27,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:47:27,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:47:27,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:47:27,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:47:27,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:47:27,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:47:27,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:47:27,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:47:27,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:47:27,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:47:27,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:47:27,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:47:27,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:47:27,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:47:27,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:47:27,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:47:27,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:47:27,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:47:27,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:47:27,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:47:27,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:47:27,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:47:27,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:47:27,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:47:27,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:47:27,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:47:27,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:47:27,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:47:27,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:47:27,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:47:27,071 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 [2020-10-12 17:47:27,110 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:47:27,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:47:27,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:47:27,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:47:27,113 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:47:27,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:47:27,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:47:27,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:47:27,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:47:27,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:47:27,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:47:27,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:47:27,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:47:27,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:47:27,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:47:27,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:47:27,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:47:27,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:47:27,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:47:27,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:47:27,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:47:27,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:47:27,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:47:27,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:47:27,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:47:27,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:47:27,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:47:27,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:47:27,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:47:27,120 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 -> SequenceOfStatements 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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=true; [2020-10-12 17:47:27,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:47:27,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:47:27,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:47:27,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:47:27,430 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:47:27,431 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-10-12 17:47:27,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5fd757e7/3d3bffbd894b4208ae57bc1c64ea5f0a/FLAGd7daf58d7 [2020-10-12 17:47:28,008 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:47:28,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-10-12 17:47:28,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5fd757e7/3d3bffbd894b4208ae57bc1c64ea5f0a/FLAGd7daf58d7 [2020-10-12 17:47:28,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5fd757e7/3d3bffbd894b4208ae57bc1c64ea5f0a [2020-10-12 17:47:28,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:47:28,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:47:28,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:47:28,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:47:28,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:47:28,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:47:28" (1/1) ... [2020-10-12 17:47:28,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:28, skipping insertion in model container [2020-10-12 17:47:28,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:47:28" (1/1) ... [2020-10-12 17:47:28,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:47:28,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:47:28,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:47:28,792 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:47:28,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:47:29,014 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:47:29,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29 WrapperNode [2020-10-12 17:47:29,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:47:29,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:47:29,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:47:29,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:47:29,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (1/1) ... [2020-10-12 17:47:29,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:47:29,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:47:29,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:47:29,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:47:29,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (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 [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-12 17:47:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-12 17:47:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-12 17:47:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:47:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:47:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:47:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:47:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:47:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:47:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:47:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-12 17:47:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:47:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:47:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:47:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:47:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:47:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:47:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:47:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:47:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:47:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:47:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:47:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:47:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:47:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:47:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:47:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:47:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:47:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:47:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-12 17:47:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:47:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:47:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:47:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-12 17:47:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:47:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:47:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:47:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:47:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:47:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:47:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:47:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:47:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:47:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:47:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:47:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:47:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:47:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:47:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:47:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:47:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:47:32,394 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:47:32,394 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:47:32,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:47:32 BoogieIcfgContainer [2020-10-12 17:47:32,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:47:32,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:47:32,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:47:32,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:47:32,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:47:28" (1/3) ... [2020-10-12 17:47:32,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544679ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:47:32, skipping insertion in model container [2020-10-12 17:47:32,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:47:29" (2/3) ... [2020-10-12 17:47:32,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544679ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:47:32, skipping insertion in model container [2020-10-12 17:47:32,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:47:32" (3/3) ... [2020-10-12 17:47:32,409 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2020-10-12 17:47:32,420 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:47:32,428 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:47:32,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:47:32,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:47:32,470 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:47:32,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:47:32,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:47:32,471 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:47:32,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:47:32,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:47:32,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:47:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-12 17:47:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 17:47:32,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:32,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:47:32,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:32,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:32,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1779053206, now seen corresponding path program 1 times [2020-10-12 17:47:32,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:32,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970046129] [2020-10-12 17:47:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:32,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:34,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:37,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:37,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 17:47:37,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:47:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 17:47:37,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 17:47:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 17:47:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:47:38,300 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:47:38,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:47:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:38,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 17:47:38,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:47:38,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:47:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:38,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:38,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:38,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:47:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:38,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:38,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:47:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:38,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:38,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:47:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:38,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:38,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 17:47:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:38,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:38,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:38,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 17:47:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:38,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:38,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:38,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:38,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:47:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:47:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:47:38,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970046129] [2020-10-12 17:47:38,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:47:38,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 17:47:38,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7533735] [2020-10-12 17:47:38,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 17:47:38,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:47:38,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 17:47:38,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:47:38,526 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 7 states. [2020-10-12 17:47:39,124 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:40,125 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:40,442 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:40,742 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:41,254 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:41,511 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:47:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:47:42,450 INFO L93 Difference]: Finished difference Result 366 states and 506 transitions. [2020-10-12 17:47:42,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 17:47:42,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 17:47:42,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:47:42,466 INFO L225 Difference]: With dead ends: 366 [2020-10-12 17:47:42,467 INFO L226 Difference]: Without dead ends: 226 [2020-10-12 17:47:42,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:47:42,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-12 17:47:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 190. [2020-10-12 17:47:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-12 17:47:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 238 transitions. [2020-10-12 17:47:42,601 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 238 transitions. Word has length 46 [2020-10-12 17:47:42,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:47:42,602 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 238 transitions. [2020-10-12 17:47:42,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 17:47:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 238 transitions. [2020-10-12 17:47:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-12 17:47:42,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:42,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:47:42,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:47:42,607 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:42,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:42,608 INFO L82 PathProgramCache]: Analyzing trace with hash 954578145, now seen corresponding path program 1 times [2020-10-12 17:47:42,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:42,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313934146] [2020-10-12 17:47:42,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:42,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:42,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:47,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:47,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 17:47:47,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:47:47,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:47:47,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:47:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-12 17:47:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:47,993 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:47:47,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:47:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:48,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 17:47:48,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:48,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:47:48,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:47:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:48,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:48,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:47:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:48,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:48,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:48,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:47:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:48,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:48,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:48,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:47:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:48,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:48,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:47:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:47:48,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:47:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 17:47:48,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:47:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:47:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:47:48,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:47:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:47:48,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:47:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 17:47:48,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:47:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:47:48,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:48,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:47:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:47:48,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:47:48,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:47:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:47:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:48,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:47:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:47:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 17:47:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:48,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:47:48,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:47:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 17:47:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:48,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:48,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:48,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:48,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:48,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:48,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:47:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:47:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:47:48,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313934146] [2020-10-12 17:47:48,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:47:48,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 17:47:48,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102660076] [2020-10-12 17:47:48,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 17:47:48,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:47:48,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 17:47:48,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-12 17:47:48,389 INFO L87 Difference]: Start difference. First operand 190 states and 238 transitions. Second operand 13 states. [2020-10-12 17:47:49,150 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:49,981 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:50,312 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:50,638 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:47:50,887 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:51,214 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:51,505 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:51,794 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:52,171 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:52,427 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:47:52,693 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:47:53,015 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:47:53,295 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:47:53,749 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:47:55,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:47:55,169 INFO L93 Difference]: Finished difference Result 636 states and 942 transitions. [2020-10-12 17:47:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 17:47:55,169 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 75 [2020-10-12 17:47:55,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:47:55,179 INFO L225 Difference]: With dead ends: 636 [2020-10-12 17:47:55,179 INFO L226 Difference]: Without dead ends: 427 [2020-10-12 17:47:55,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2020-10-12 17:47:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-10-12 17:47:55,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 337. [2020-10-12 17:47:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-10-12 17:47:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 417 transitions. [2020-10-12 17:47:55,294 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 417 transitions. Word has length 75 [2020-10-12 17:47:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:47:55,295 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 417 transitions. [2020-10-12 17:47:55,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 17:47:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 417 transitions. [2020-10-12 17:47:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 17:47:55,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:47:55,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:47:55,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:47:55,299 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:47:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:47:55,299 INFO L82 PathProgramCache]: Analyzing trace with hash -360732125, now seen corresponding path program 1 times [2020-10-12 17:47:55,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:47:55,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607512733] [2020-10-12 17:47:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:47:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:55,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:55,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:55,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 17:47:55,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-12 17:47:55,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 17:47:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 17:47:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,086 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:47:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:47:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:56,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 17:47:56,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:47:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:47:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:56,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:56,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:47:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:56,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:56,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:56,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:47:56,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:47:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:56,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:56,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:47:56,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:47:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:47:56,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:56,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:47:56,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 17:47:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:56,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:56,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:56,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:47:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:47:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:47:56,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:47:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:47:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:47:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:47:56,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:47:56,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:47:56,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:47:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:47:56,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:47:56,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 17:47:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:47:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:56,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:47:56,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:47:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:47:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:47:56,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:47:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 17:47:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:56,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:56,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:47:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:47:56,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 17:47:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:47:56,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:47:56,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:47:56,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:47:56,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:47:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:47:56,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:47:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:47:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:47:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:47:56,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:47:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:47:56,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607512733] [2020-10-12 17:47:56,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:47:56,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 17:47:56,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103734124] [2020-10-12 17:47:56,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 17:47:56,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:47:56,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 17:47:56,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 17:47:56,442 INFO L87 Difference]: Start difference. First operand 337 states and 417 transitions. Second operand 7 states. [2020-10-12 17:47:56,953 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:47:57,484 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:00,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:00,694 INFO L93 Difference]: Finished difference Result 1403 states and 2052 transitions. [2020-10-12 17:48:00,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 17:48:00,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-12 17:48:00,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:00,711 INFO L225 Difference]: With dead ends: 1403 [2020-10-12 17:48:00,711 INFO L226 Difference]: Without dead ends: 1090 [2020-10-12 17:48:00,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-12 17:48:00,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2020-10-12 17:48:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 857. [2020-10-12 17:48:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-10-12 17:48:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1115 transitions. [2020-10-12 17:48:00,875 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1115 transitions. Word has length 79 [2020-10-12 17:48:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:00,876 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1115 transitions. [2020-10-12 17:48:00,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 17:48:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1115 transitions. [2020-10-12 17:48:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-12 17:48:00,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:00,880 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 17:48:00,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:48:00,880 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:00,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:00,881 INFO L82 PathProgramCache]: Analyzing trace with hash 868320579, now seen corresponding path program 1 times [2020-10-12 17:48:00,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:00,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32022462] [2020-10-12 17:48:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:01,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:01,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:01,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:01,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:05,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:05,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 17:48:05,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:48:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 17:48:05,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:48:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 17:48:05,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,206 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:48:06,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:48:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:06,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:06,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:06,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:06,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:06,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:48:06,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:06,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:48:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:06,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:48:06,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 17:48:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 17:48:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:48:06,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:48:06,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 17:48:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:48:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:48:06,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:06,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:48:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:48:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 17:48:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:48:06,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:48:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:48:06,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:48:06,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 17:48:06,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:48:06,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:06,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:48:06,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:48:06,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:06,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 17:48:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:48:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:06,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:06,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:06,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 17:48:06,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32022462] [2020-10-12 17:48:06,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:48:06,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 17:48:06,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554437424] [2020-10-12 17:48:06,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 17:48:06,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:06,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 17:48:06,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:48:06,536 INFO L87 Difference]: Start difference. First operand 857 states and 1115 transitions. Second operand 12 states. [2020-10-12 17:48:07,150 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:07,877 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 17:48:08,399 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:48:08,673 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 17:48:08,996 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:09,262 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:09,550 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:48:09,848 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:48:10,173 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:10,495 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:12,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:12,744 INFO L93 Difference]: Finished difference Result 2971 states and 4288 transitions. [2020-10-12 17:48:12,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 17:48:12,745 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2020-10-12 17:48:12,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:12,773 INFO L225 Difference]: With dead ends: 2971 [2020-10-12 17:48:12,773 INFO L226 Difference]: Without dead ends: 2138 [2020-10-12 17:48:12,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:48:12,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-10-12 17:48:13,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1595. [2020-10-12 17:48:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1595 states. [2020-10-12 17:48:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2090 transitions. [2020-10-12 17:48:13,194 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2090 transitions. Word has length 98 [2020-10-12 17:48:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:13,197 INFO L479 AbstractCegarLoop]: Abstraction has 1595 states and 2090 transitions. [2020-10-12 17:48:13,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 17:48:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2090 transitions. [2020-10-12 17:48:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 17:48:13,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:13,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:13,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:48:13,203 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:13,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:13,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1649371716, now seen corresponding path program 1 times [2020-10-12 17:48:13,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:13,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253040451] [2020-10-12 17:48:13,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 17:48:13,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-12 17:48:13,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 17:48:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:13,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,721 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 17:48:13,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:48:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:13,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:48:13,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:48:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:13,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:13,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:48:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:13,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:13,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:48:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:13,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:13,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:48:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:48:13,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:48:13,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 17:48:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:13,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:48:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 17:48:13,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:48:13,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:13,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 17:48:13,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:13,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:48:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 17:48:13,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:48:13,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:48:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:48:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:13,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:48:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:48:13,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:48:13,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:48:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:48:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:48:13,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 17:48:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:13,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:13,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 17:48:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:48:13,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 17:48:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:48:13,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:48:13,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:48:13,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:48:13,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:48:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:48:13,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:48:13,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:48:13,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:48:13,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:48:13,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:48:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:48:13,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253040451] [2020-10-12 17:48:13,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:48:13,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:48:13,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149706632] [2020-10-12 17:48:13,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:48:13,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:48:13,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:48:13,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:48:13,924 INFO L87 Difference]: Start difference. First operand 1595 states and 2090 transitions. Second operand 8 states. [2020-10-12 17:48:14,980 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 17:48:15,240 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:48:15,471 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:48:16,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:48:16,678 INFO L93 Difference]: Finished difference Result 3176 states and 4411 transitions. [2020-10-12 17:48:16,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 17:48:16,679 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-12 17:48:16,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:48:16,692 INFO L225 Difference]: With dead ends: 3176 [2020-10-12 17:48:16,692 INFO L226 Difference]: Without dead ends: 1587 [2020-10-12 17:48:16,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-12 17:48:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-10-12 17:48:16,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1297. [2020-10-12 17:48:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2020-10-12 17:48:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1644 transitions. [2020-10-12 17:48:16,916 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1644 transitions. Word has length 79 [2020-10-12 17:48:16,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:48:16,917 INFO L479 AbstractCegarLoop]: Abstraction has 1297 states and 1644 transitions. [2020-10-12 17:48:16,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:48:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1644 transitions. [2020-10-12 17:48:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-12 17:48:16,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:48:16,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:48:16,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 17:48:16,927 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:48:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:48:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash -453271351, now seen corresponding path program 1 times [2020-10-12 17:48:16,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:48:16,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164777798] [2020-10-12 17:48:16,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:48:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 17:48:16,971 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 17:48:16,971 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 17:48:16,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 17:48:17,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:48:17 BoogieIcfgContainer [2020-10-12 17:48:17,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:48:17,027 INFO L168 Benchmark]: Toolchain (without parser) took 48674.25 ms. Allocated memory was 147.8 MB in the beginning and 803.2 MB in the end (delta: 655.4 MB). Free memory was 103.3 MB in the beginning and 196.3 MB in the end (delta: -93.0 MB). Peak memory consumption was 562.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:17,028 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 17:48:17,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.46 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.1 MB in the beginning and 174.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:17,030 INFO L168 Benchmark]: Boogie Preprocessor took 91.09 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:17,034 INFO L168 Benchmark]: RCFGBuilder took 3292.59 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 169.8 MB in the beginning and 196.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:17,036 INFO L168 Benchmark]: TraceAbstraction took 44618.82 ms. Allocated memory was 233.8 MB in the beginning and 803.2 MB in the end (delta: 569.4 MB). Free memory was 196.3 MB in the beginning and 196.3 MB in the end (delta: -17.2 kB). Peak memory consumption was 569.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:48:17,042 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.46 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.1 MB in the beginning and 174.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.09 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3292.59 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 169.8 MB in the beginning and 196.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44618.82 ms. Allocated memory was 233.8 MB in the beginning and 803.2 MB in the end (delta: 569.4 MB). Free memory was 196.3 MB in the beginning and 196.3 MB in the end (delta: -17.2 kB). Peak memory consumption was 569.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L911] FCALL select_helpers() [L912] FCALL select_features() [L913] CALL, EXPR valid_product() [L432] int retValue_acc ; [L435] retValue_acc = 1 [L436] return (retValue_acc); [L913] RET, EXPR valid_product() [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L917] FCALL setup() [L918] CALL runTest() [L900] CALL test() [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 [L344] COND TRUE 1 [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) [L356] CALL waterRise() [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 [L356] RET waterRise() [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) [L366] CALL changeMethaneLevel() [L269] COND FALSE !(\read(methaneLevelCritical)) [L272] methaneLevelCritical = 1 [L366] RET changeMethaneLevel() [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___2)) [L380] tmp___1 = __VERIFIER_nondet_int() [L382] COND FALSE !(\read(tmp___1)) [L391] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L97] int tmp ; [L100] COND TRUE ! pumpRunning [L102] CALL, EXPR isHighWaterLevel() [L194] int retValue_acc ; [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isHighWaterSensorDry() [L319] int retValue_acc ; [L322] COND FALSE !(waterLevel < 2) [L326] retValue_acc = 0 [L327] return (retValue_acc); [L200] RET, EXPR isHighWaterSensorDry() [L200] tmp = isHighWaterSensorDry() [L202] COND FALSE !(\read(tmp)) [L205] tmp___0 = 1 [L207] retValue_acc = tmp___0 [L208] return (retValue_acc); [L102] RET, EXPR isHighWaterLevel() [L102] tmp = isHighWaterLevel() [L104] COND TRUE \read(tmp) [L106] CALL activatePump() [L125] pumpRunning = 1 [L106] RET activatePump() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification1_spec__1() [L808] int tmp ; [L809] int tmp___0 ; [L813] CALL, EXPR isMethaneLevelCritical() [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); [L813] RET, EXPR isMethaneLevelCritical() [L813] tmp = isMethaneLevelCritical() [L815] COND TRUE \read(tmp) [L817] CALL, EXPR isPumpRunning() [L149] int retValue_acc ; [L152] retValue_acc = pumpRunning [L153] return (retValue_acc); [L817] RET, EXPR isPumpRunning() [L817] tmp___0 = isPumpRunning() [L819] COND TRUE \read(tmp___0) [L821] CALL __automaton_fail() [L44] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 44.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 24.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 731 SDtfs, 2050 SDslu, 1327 SDs, 0 SdLazy, 5571 SolverSat, 1592 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 138 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1595occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1192 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 123228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...