/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:59:53,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:59:53,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:59:53,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:59:53,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:59:53,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:59:53,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:59:53,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:59:53,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:59:53,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:59:53,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:59:53,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:59:53,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:59:53,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:59:53,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:59:53,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:59:53,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:59:53,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:59:53,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:59:53,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:59:53,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:59:53,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:59:53,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:59:53,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:59:53,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:59:53,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:59:53,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:59:53,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:59:53,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:59:53,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:59:53,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:59:53,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:59:53,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:59:53,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:59:53,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:59:53,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:59:53,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:59:53,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:59:53,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:59:53,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:59:53,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:59:53,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 17:59:53,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:59:53,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:59:53,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:59:53,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:59:53,477 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:59:53,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:59:53,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:59:53,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:59:53,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:59:53,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:59:53,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:59:53,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:59:53,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:59:53,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:59:53,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:59:53,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:59:53,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:59:53,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:59:53,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:59:53,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:59:53,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:59:53,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:59:53,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:59:53,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:59:53,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:59:53,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:59:53,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:59:53,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:59:53,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:59:53,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 17:59:53,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:59:53,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:59:53,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:59:53,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:59:53,988 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:59:53,989 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 17:59:54,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/356766dc7/f745a773c173458f90091e33ace47a45/FLAG37321afd3 [2020-09-24 17:59:54,648 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:59:54,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 17:59:54,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/356766dc7/f745a773c173458f90091e33ace47a45/FLAG37321afd3 [2020-09-24 17:59:54,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/356766dc7/f745a773c173458f90091e33ace47a45 [2020-09-24 17:59:54,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:59:54,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:59:54,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:59:54,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:59:54,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:59:54,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:59:54" (1/1) ... [2020-09-24 17:59:54,940 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 24.09 05:59:54, skipping insertion in model container [2020-09-24 17:59:54,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:59:54" (1/1) ... [2020-09-24 17:59:54,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:59:55,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:59:55,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:59:55,704 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:59:55,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:59:55,922 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:59:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55 WrapperNode [2020-09-24 17:59:55,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:59:55,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:59:55,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:59:55,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:59:55,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:55,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:55,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:55,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:55,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:56,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:56,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... [2020-09-24 17:59:56,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:59:56,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:59:56,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:59:56,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:59:56,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:59:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:59:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:59:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:59:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:59:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:59:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:59:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:59:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:59:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:59:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 17:59:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 17:59:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:59:56,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 17:59:56,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 17:59:56,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 17:59:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 17:59:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 17:59:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 17:59:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:59:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 17:59:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 17:59:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:59:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:59:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:59:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:59:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:59:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:59:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:59:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:59:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:59:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:59:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:59:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:59:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:59:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:59:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:59:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:59:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:59:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:59:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 17:59:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 17:59:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 17:59:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:59:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:59:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:59:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:59:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:59:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:59:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:59:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:59:57,455 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:59:57,456 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:59:57,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:59:57 BoogieIcfgContainer [2020-09-24 17:59:57,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:59:57,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:59:57,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:59:57,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:59:57,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:59:54" (1/3) ... [2020-09-24 17:59:57,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9cbcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:59:57, skipping insertion in model container [2020-09-24 17:59:57,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:59:55" (2/3) ... [2020-09-24 17:59:57,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9cbcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:59:57, skipping insertion in model container [2020-09-24 17:59:57,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:59:57" (3/3) ... [2020-09-24 17:59:57,476 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-24 17:59:57,490 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:59:57,503 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:59:57,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:59:57,563 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:59:57,564 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:59:57,564 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:59:57,564 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:59:57,564 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:59:57,564 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:59:57,565 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:59:57,565 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:59:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-09-24 17:59:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 17:59:57,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:59:57,624 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:59:57,624 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:59:57,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:59:57,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1714706327, now seen corresponding path program 1 times [2020-09-24 17:59:57,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:59:57,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463311379] [2020-09-24 17:59:57,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:59:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:59:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:59:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:00,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:01,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:03,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:03,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-24 18:00:03,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 18:00:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-24 18:00:03,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-09-24 18:00:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:00:03,710 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 18:00:03,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:00:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:03,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:03,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:03,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 18:00:03,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:03,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-24 18:00:03,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:03,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 18:00:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:03,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:03,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:03,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 18:00:03,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 18:00:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 18:00:04,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 18:00:04,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:04,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:00:04,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 18:00:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:04,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:04,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:00:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:04,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 18:00:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:04,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 18:00:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:04,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 18:00:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:04,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 18:00:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:04,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 18:00:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:00:04,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 18:00:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:04,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:04,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 18:00:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:04,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:04,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:00:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 18:00:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:04,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:04,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:04,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:04,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:00:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 18:00:04,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463311379] [2020-09-24 18:00:04,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:00:04,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 18:00:04,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238448515] [2020-09-24 18:00:04,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 18:00:04,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:00:04,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 18:00:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:00:04,331 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 6 states. [2020-09-24 18:00:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:00:07,294 INFO L93 Difference]: Finished difference Result 687 states and 830 transitions. [2020-09-24 18:00:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 18:00:07,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2020-09-24 18:00:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:00:07,320 INFO L225 Difference]: With dead ends: 687 [2020-09-24 18:00:07,320 INFO L226 Difference]: Without dead ends: 441 [2020-09-24 18:00:07,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:00:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2020-09-24 18:00:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 373. [2020-09-24 18:00:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-09-24 18:00:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 420 transitions. [2020-09-24 18:00:07,506 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 420 transitions. Word has length 230 [2020-09-24 18:00:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:00:07,509 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 420 transitions. [2020-09-24 18:00:07,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 18:00:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2020-09-24 18:00:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-24 18:00:07,521 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:00:07,522 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:00:07,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:00:07,522 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:00:07,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:00:07,523 INFO L82 PathProgramCache]: Analyzing trace with hash -580873481, now seen corresponding path program 1 times [2020-09-24 18:00:07,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:00:07,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850200238] [2020-09-24 18:00:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:00:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:07,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:10,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:12,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:12,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:12,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-24 18:00:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 18:00:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5102 [2020-09-24 18:00:12,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:00:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-09-24 18:00:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 18:00:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,122 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 18:00:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:00:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 18:00:13,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 18:00:13,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 18:00:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:13,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:13,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 18:00:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 18:00:13,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 18:00:13,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:13,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 18:00:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:00:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:13,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 18:00:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:13,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 18:00:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 18:00:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:13,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 18:00:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:13,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 18:00:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:00:13,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 18:00:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:13,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 18:00:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:13,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:00:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 18:00:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:13,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:13,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:13,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:13,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:13,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:00:13,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 18:00:13,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850200238] [2020-09-24 18:00:13,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:00:13,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:00:13,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404834447] [2020-09-24 18:00:13,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:00:13,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:00:13,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:00:13,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:00:13,550 INFO L87 Difference]: Start difference. First operand 373 states and 420 transitions. Second operand 7 states. [2020-09-24 18:00:14,800 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 18:00:17,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:00:17,160 INFO L93 Difference]: Finished difference Result 604 states and 709 transitions. [2020-09-24 18:00:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 18:00:17,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-09-24 18:00:17,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:00:17,169 INFO L225 Difference]: With dead ends: 604 [2020-09-24 18:00:17,169 INFO L226 Difference]: Without dead ends: 430 [2020-09-24 18:00:17,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2020-09-24 18:00:17,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-24 18:00:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 363. [2020-09-24 18:00:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-24 18:00:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 407 transitions. [2020-09-24 18:00:17,232 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 407 transitions. Word has length 231 [2020-09-24 18:00:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:00:17,233 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 407 transitions. [2020-09-24 18:00:17,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:00:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 407 transitions. [2020-09-24 18:00:17,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-09-24 18:00:17,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:00:17,238 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:00:17,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:00:17,239 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:00:17,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:00:17,239 INFO L82 PathProgramCache]: Analyzing trace with hash -338755508, now seen corresponding path program 1 times [2020-09-24 18:00:17,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:00:17,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265887779] [2020-09-24 18:00:17,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:00:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:17,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:18,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:21,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:22,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:22,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-24 18:00:22,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 18:00:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-24 18:00:22,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 18:00:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-09-24 18:00:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 18:00:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:22,891 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 18:00:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:00:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 18:00:23,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-24 18:00:23,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 18:00:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:23,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:23,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 18:00:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 18:00:23,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 18:00:23,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 18:00:23,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 18:00:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:23,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:23,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:00:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:23,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:00:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 18:00:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:23,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:23,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 18:00:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:23,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:23,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 18:00:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:23,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:23,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 18:00:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:23,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:23,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 18:00:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:00:23,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 18:00:23,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:23,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 18:00:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:23,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 18:00:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 18:00:23,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:00:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:00:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:23,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 18:00:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:23,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:23,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:23,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:00:23,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:00:23,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 18:00:23,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265887779] [2020-09-24 18:00:23,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:00:23,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 18:00:23,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238183471] [2020-09-24 18:00:23,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 18:00:23,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:00:23,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 18:00:23,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:00:23,448 INFO L87 Difference]: Start difference. First operand 363 states and 407 transitions. Second operand 11 states. [2020-09-24 18:00:24,117 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 18:00:26,287 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 18:00:26,694 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 18:00:27,134 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 18:00:27,577 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-09-24 18:00:28,026 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 18:00:29,012 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 18:00:29,388 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 18:00:29,832 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 18:00:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:00:32,408 INFO L93 Difference]: Finished difference Result 758 states and 937 transitions. [2020-09-24 18:00:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 18:00:32,409 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-09-24 18:00:32,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:00:32,416 INFO L225 Difference]: With dead ends: 758 [2020-09-24 18:00:32,417 INFO L226 Difference]: Without dead ends: 552 [2020-09-24 18:00:32,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=238, Invalid=632, Unknown=0, NotChecked=0, Total=870 [2020-09-24 18:00:32,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-09-24 18:00:32,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 494. [2020-09-24 18:00:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-09-24 18:00:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 573 transitions. [2020-09-24 18:00:32,503 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 573 transitions. Word has length 241 [2020-09-24 18:00:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:00:32,503 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 573 transitions. [2020-09-24 18:00:32,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 18:00:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 573 transitions. [2020-09-24 18:00:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-09-24 18:00:32,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:00:32,510 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:00:32,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:00:32,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:00:32,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:00:32,511 INFO L82 PathProgramCache]: Analyzing trace with hash -550194135, now seen corresponding path program 1 times [2020-09-24 18:00:32,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:00:32,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752100691] [2020-09-24 18:00:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:00:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:32,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:33,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:37,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:37,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-09-24 18:00:37,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:00:37,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 18:00:37,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 278 [2020-09-24 18:00:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:00:37,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:37,930 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 18:00:37,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:00:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:37,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 18:00:38,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 18:00:38,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 18:00:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:38,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:38,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:00:38,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 18:00:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 18:00:38,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:00:38,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:38,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:38,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 18:00:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:00:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:38,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:38,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 18:00:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:38,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:38,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 18:00:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:38,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:38,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 18:00:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:00:38,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 18:00:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:38,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:38,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 18:00:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:00:38,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:38,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 18:00:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:38,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:38,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:38,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 18:00:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 18:00:38,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:00:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-09-24 18:00:38,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 18:00:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:00:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:38,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:38,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:38,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 18:00:38,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:00:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-09-24 18:00:38,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 18:00:38,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:00:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:38,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 18:00:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:00:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-09-24 18:00:39,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 18:00:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:00:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 18:00:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:00:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:00:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 18:00:39,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:39,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 18:00:39,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:00:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:00:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:00:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:00:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:00:39,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:39,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:00:39,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:00:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:00:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 18:00:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:00:39,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 18:00:39,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 18:00:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:39,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:00:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:00:39,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 18:00:39,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:00:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 18:00:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:39,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:39,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:00:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 18:00:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:00:39,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:00:39,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:00:39,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:00:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 18:00:39,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752100691] [2020-09-24 18:00:39,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:00:39,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 18:00:39,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858231550] [2020-09-24 18:00:39,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 18:00:39,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:00:39,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 18:00:39,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:00:39,779 INFO L87 Difference]: Start difference. First operand 494 states and 573 transitions. Second operand 11 states. [2020-09-24 18:00:42,093 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 18:00:42,473 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 18:00:42,943 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 18:00:43,348 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 18:00:43,719 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 214