/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=SHALLOWEST --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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:31:12,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:31:12,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:31:12,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:31:12,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:31:12,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:31:12,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:31:12,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:31:12,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:31:12,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:31:12,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:31:12,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:31:12,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:31:12,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:31:12,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:31:12,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:31:12,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:31:12,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:31:12,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:31:12,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:31:12,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:31:12,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:31:12,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:31:12,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:31:12,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:31:12,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:31:12,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:31:12,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:31:12,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:31:12,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:31:12,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:31:12,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:31:12,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:31:12,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:31:12,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:31:12,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:31:12,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:31:12,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:31:12,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:31:12,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:31:12,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:31:12,813 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 23:31:12,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:31:12,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:31:12,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:31:12,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:31:12,866 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:31:12,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:31:12,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:31:12,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:31:12,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:31:12,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:31:12,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:31:12,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:31:12,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:31:12,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:31:12,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:31:12,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:31:12,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:31:12,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:31:12,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:31:12,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:31:12,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:31:12,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:31:12,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:31:12,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:31:12,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:31:12,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:31:12,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:31:12,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:31:12,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:31:12,873 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:31:13,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:31:13,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:31:13,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:31:13,324 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:31:13,325 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:31:13,326 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 23:31:13,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86db760a2/e9c5217dfc3444e8ac3755012b9f2bac/FLAG1bf5e2c19 [2020-09-24 23:31:14,045 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:31:14,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 23:31:14,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86db760a2/e9c5217dfc3444e8ac3755012b9f2bac/FLAG1bf5e2c19 [2020-09-24 23:31:14,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86db760a2/e9c5217dfc3444e8ac3755012b9f2bac [2020-09-24 23:31:14,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:31:14,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:31:14,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:31:14,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:31:14,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:31:14,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:31:14" (1/1) ... [2020-09-24 23:31:14,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:14, skipping insertion in model container [2020-09-24 23:31:14,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:31:14" (1/1) ... [2020-09-24 23:31:14,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:31:14,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:31:15,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:31:15,036 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:31:15,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:31:15,178 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:31:15,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15 WrapperNode [2020-09-24 23:31:15,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:31:15,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:31:15,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:31:15,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:31:15,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (1/1) ... [2020-09-24 23:31:15,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:31:15,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:31:15,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:31:15,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:31:15,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (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 23:31:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:31:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:31:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:31:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:31:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:31:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 23:31:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 23:31:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 23:31:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 23:31:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:31:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 23:31:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:31:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:31:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:31:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:31:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:31:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:31:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:31:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:31:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:31:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:31:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:31:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 23:31:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:31:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:31:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:31:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:31:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:31:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:31:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:31:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 23:31:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:31:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:31:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:31:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:31:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:31:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:31:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:31:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:31:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:31:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:31:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:31:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:31:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 23:31:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:31:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:31:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:31:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:31:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:31:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:31:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:31:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 23:31:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:31:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:31:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:31:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:31:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 23:31:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:31:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 23:31:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:31:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 23:31:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 23:31:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 23:31:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 23:31:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 23:31:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:31:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 23:31:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 23:31:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 23:31:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:31:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:31:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:31:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:31:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:31:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:31:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:31:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:31:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:31:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:31:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:31:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:31:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:31:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:31:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:31:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:31:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:31:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:31:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:31:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:31:16,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:31:16,853 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:31:16,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:31:16 BoogieIcfgContainer [2020-09-24 23:31:16,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:31:16,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:31:16,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:31:16,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:31:16,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:31:14" (1/3) ... [2020-09-24 23:31:16,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b49205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:31:16, skipping insertion in model container [2020-09-24 23:31:16,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:31:15" (2/3) ... [2020-09-24 23:31:16,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b49205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:31:16, skipping insertion in model container [2020-09-24 23:31:16,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:31:16" (3/3) ... [2020-09-24 23:31:16,871 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-24 23:31:16,883 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:31:16,895 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:31:16,918 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:31:16,953 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:31:16,953 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:31:16,953 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:31:16,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:31:16,954 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:31:16,954 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:31:16,954 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:31:16,954 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:31:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-24 23:31:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-24 23:31:17,010 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:31:17,012 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] [2020-09-24 23:31:17,013 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:31:17,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:31:17,019 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-24 23:31:17,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:31:17,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421735010] [2020-09-24 23:31:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:31:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:17,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:19,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:21,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:22,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:22,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 23:31:22,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:31:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-24 23:31:22,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:31:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-24 23:31:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-09-24 23:31:22,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:31:23,302 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 23:31:23,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:31:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:23,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:31:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-09-24 23:31:23,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 23:31:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:23,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 23:31:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:23,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:31:23,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:31:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:31:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:23,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 23:31:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:23,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:23,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:23,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:31:23,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:23,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 23:31:23,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:23,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:23,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:23,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 23:31:23,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:23,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:23,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:23,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:23,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:23,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:23,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 23:31:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:23,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:23,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:23,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:24,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:31:24,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:24,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:24,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 23:31:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:24,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:24,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:24,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 23:31:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:24,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:24,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:24,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:24,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 23:31:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:24,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:24,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 23:31:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:24,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:24,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 23:31:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:24,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:31:24,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:24,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:31:24,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:24,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 23:31:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:31:24,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:24,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:31:24,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:24,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 23:31:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:24,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:31:24,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:31:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 23:31:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:24,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:24,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:24,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:24,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:31:24,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:31:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:31:24,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:31:24,285 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 23:31:24,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421735010] [2020-09-24 23:31:24,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:31:24,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:31:24,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307741747] [2020-09-24 23:31:24,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:31:24,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:31:24,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:31:24,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:31:24,329 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 10 states. [2020-09-24 23:31:25,219 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 23:31:27,149 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 23:31:27,601 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 23:31:28,009 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 23:31:28,416 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 23:31:28,800 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 23:31:29,770 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 23:31:30,122 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 23:31:30,617 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 23:31:33,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:31:33,542 INFO L93 Difference]: Finished difference Result 818 states and 1048 transitions. [2020-09-24 23:31:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 23:31:33,545 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-24 23:31:33,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:31:33,572 INFO L225 Difference]: With dead ends: 818 [2020-09-24 23:31:33,572 INFO L226 Difference]: Without dead ends: 560 [2020-09-24 23:31:33,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 23:31:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-09-24 23:31:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 513. [2020-09-24 23:31:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-09-24 23:31:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 612 transitions. [2020-09-24 23:31:33,761 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 612 transitions. Word has length 224 [2020-09-24 23:31:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:31:33,763 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 612 transitions. [2020-09-24 23:31:33,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:31:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 612 transitions. [2020-09-24 23:31:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 23:31:33,771 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:31:33,771 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] [2020-09-24 23:31:33,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:31:33,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:31:33,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:31:33,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1977584448, now seen corresponding path program 1 times [2020-09-24 23:31:33,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:31:33,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919028864] [2020-09-24 23:31:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:31:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:33,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:38,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:38,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-24 23:31:38,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:31:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-24 23:31:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 23:31:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-24 23:31:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-24 23:31:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:39,305 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 23:31:39,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:31:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:31:39,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-24 23:31:39,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 23:31:39,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 23:31:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:31:39,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:31:39,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:31:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:31:39,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 23:31:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:31:39,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 23:31:39,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:39,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 23:31:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:39,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:39,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 23:31:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:39,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:39,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:39,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 23:31:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:39,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:39,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:39,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:39,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 23:31:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:39,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:39,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:39,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:39,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 23:31:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 23:31:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:39,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:39,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 23:31:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:39,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:31:39,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:31:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 23:31:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:39,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:31:39,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:39,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:31:39,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:39,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 23:31:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:39,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:39,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:40,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:40,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:40,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 23:31:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:31:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-09-24 23:31:40,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 23:31:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 23:31:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:40,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:40,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:40,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:40,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:41,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:41,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 23:31:41,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:31:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 859 [2020-09-24 23:31:41,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:41,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:41,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:31:41,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:41,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:41,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:41,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:42,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:42,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 23:31:42,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:31:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-09-24 23:31:42,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 23:31:42,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:42,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:42,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:42,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:42,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 23:31:42,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:31:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 702 [2020-09-24 23:31:42,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 23:31:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:31:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:42,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:43,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:31:43,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 23:31:43,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:31:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:31:43,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:31:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:43,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:43,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:43,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:31:43,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:43,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:43,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:31:43,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:31:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:43,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:43,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:43,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 23:31:43,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:31:43,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:43,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 23:31:43,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:43,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:43,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:31:43,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 23:31:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:43,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:43,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:31:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:43,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 23:31:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:43,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:43,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:43,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:43,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:43,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:31:43,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:43,194 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 23:31:43,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919028864] [2020-09-24 23:31:43,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:31:43,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:31:43,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787692537] [2020-09-24 23:31:43,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:31:43,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:31:43,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:31:43,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:31:43,199 INFO L87 Difference]: Start difference. First operand 513 states and 612 transitions. Second operand 8 states. [2020-09-24 23:31:43,900 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 23:31:45,276 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 23:31:51,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:31:51,745 INFO L93 Difference]: Finished difference Result 1538 states and 2089 transitions. [2020-09-24 23:31:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 23:31:51,746 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 284 [2020-09-24 23:31:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:31:51,759 INFO L225 Difference]: With dead ends: 1538 [2020-09-24 23:31:51,760 INFO L226 Difference]: Without dead ends: 1177 [2020-09-24 23:31:51,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-09-24 23:31:51,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2020-09-24 23:31:51,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1046. [2020-09-24 23:31:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-09-24 23:31:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1323 transitions. [2020-09-24 23:31:51,965 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1323 transitions. Word has length 284 [2020-09-24 23:31:51,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:31:51,966 INFO L479 AbstractCegarLoop]: Abstraction has 1046 states and 1323 transitions. [2020-09-24 23:31:51,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:31:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1323 transitions. [2020-09-24 23:31:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 23:31:51,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:31:51,973 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] [2020-09-24 23:31:51,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:31:51,974 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:31:51,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:31:51,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1081847325, now seen corresponding path program 1 times [2020-09-24 23:31:51,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:31:51,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276521381] [2020-09-24 23:31:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:31:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:52,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-24 23:31:57,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 23:31:57,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:31:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 23:31:57,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-09-24 23:31:57,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,490 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 23:31:57,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:31:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:31:57,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-24 23:31:57,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 23:31:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 23:31:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:31:57,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:31:57,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:31:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 23:31:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 23:31:57,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 23:31:57,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 23:31:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:57,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 23:31:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:57,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:57,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:57,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:57,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 23:31:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:57,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:57,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 23:31:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:57,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 23:31:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:57,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:57,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 23:31:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:57,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:57,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:31:57,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:31:57,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:57,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:57,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:57,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 23:31:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:58,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:31:58,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:31:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 23:31:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:31:58,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:58,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:31:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 23:31:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 23:31:58,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 23:31:58,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:31:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 23:31:58,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 23:31:58,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 23:31:58,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 23:31:58,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 23:31:58,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 23:31:58,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:31:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 23:31:58,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:31:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:31:58,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:31:58,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:31:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:31:58,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:31:58,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:31:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 23:31:58,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:31:58,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:31:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:31:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 23:31:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:58,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:31:58,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:31:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:31:58,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:31:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 23:31:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:31:58,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:31:58,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:31:58,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:31:58,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:31:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:31:58,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:31:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:31:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:31:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:31:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:31:58,718 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 23:31:58,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276521381] [2020-09-24 23:31:58,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:31:58,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:31:58,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200500713] [2020-09-24 23:31:58,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:31:58,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:31:58,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:31:58,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:31:58,721 INFO L87 Difference]: Start difference. First operand 1046 states and 1323 transitions. Second operand 11 states. [2020-09-24 23:31:59,353 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 23:32:00,874 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 23:32:01,307 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 23:32:01,825 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 23:32:02,321 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 23:32:02,741 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 23:32:03,712 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 23:32:04,081 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 212