/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:06:24,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:06:24,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:06:24,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:06:24,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:06:24,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:06:24,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:06:24,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:06:24,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:06:24,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:06:24,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:06:24,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:06:24,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:06:24,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:06:24,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:06:24,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:06:24,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:06:24,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:06:24,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:06:24,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:06:24,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:06:24,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:06:24,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:06:24,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:06:24,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:06:24,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:06:24,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:06:24,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:06:24,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:06:24,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:06:24,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:06:24,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:06:24,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:06:24,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:06:24,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:06:24,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:06:24,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:06:24,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:06:24,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:06:24,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:06:24,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:06:24,723 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 [2020-09-21 11:06:24,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:06:24,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:06:24,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:06:24,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:06:24,750 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:06:24,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:06:24,751 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:06:24,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:06:24,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:06:24,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:06:24,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:06:24,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:06:24,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:06:24,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:06:24,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:06:24,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:06:24,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:06:24,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:06:24,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:06:24,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:06:24,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:06:24,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:06:24,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:06:24,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:06:24,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:06:24,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:06:24,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:06:24,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:06:24,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:06:24,756 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:06:25,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:06:25,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:06:25,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:06:25,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:06:25,233 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:06:25,236 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-21 11:06:25,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cac4cf2c/59cc2ea1e1af4223b2b269296ae8a681/FLAGaa7e0cd53 [2020-09-21 11:06:25,960 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:06:25,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-21 11:06:25,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cac4cf2c/59cc2ea1e1af4223b2b269296ae8a681/FLAGaa7e0cd53 [2020-09-21 11:06:26,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cac4cf2c/59cc2ea1e1af4223b2b269296ae8a681 [2020-09-21 11:06:26,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:06:26,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:06:26,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:06:26,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:06:26,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:06:26,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:26,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdfde35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26, skipping insertion in model container [2020-09-21 11:06:26,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:26,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:06:26,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:06:26,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:06:26,816 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:06:26,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:06:26,929 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:06:26,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26 WrapperNode [2020-09-21 11:06:26,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:06:26,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:06:26,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:06:26,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:06:26,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:26,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:26,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:26,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:26,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:27,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:27,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (1/1) ... [2020-09-21 11:06:27,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:06:27,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:06:27,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:06:27,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:06:27,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (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 [2020-09-21 11:06:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:06:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:06:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:06:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:06:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:06:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:06:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:06:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:06:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:06:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:06:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:06:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:06:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:06:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:06:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:06:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:06:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:06:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:06:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:06:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:06:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:06:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:06:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:06:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:06:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:06:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:06:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:06:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:06:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:06:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:06:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:06:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:06:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:06:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:06:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:06:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:06:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:06:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:06:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:06:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:06:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:06:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:06:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:06:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:06:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:06:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:06:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:06:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:06:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:06:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:06:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:06:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:06:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:06:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:06:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:06:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:06:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:06:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:06:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:06:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:06:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:06:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:06:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:06:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:06:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:06:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:06:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:06:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:06:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:06:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:06:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:06:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:06:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:06:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:06:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:06:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:06:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:06:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:06:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:06:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:06:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:06:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:06:28,195 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:06:28,196 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:06:28,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:06:28 BoogieIcfgContainer [2020-09-21 11:06:28,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:06:28,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:06:28,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:06:28,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:06:28,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:06:26" (1/3) ... [2020-09-21 11:06:28,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d399761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:06:28, skipping insertion in model container [2020-09-21 11:06:28,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:26" (2/3) ... [2020-09-21 11:06:28,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d399761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:06:28, skipping insertion in model container [2020-09-21 11:06:28,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:06:28" (3/3) ... [2020-09-21 11:06:28,217 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-09-21 11:06:28,228 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:06:28,239 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:06:28,258 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:06:28,284 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:06:28,284 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:06:28,285 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:06:28,285 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:06:28,285 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:06:28,285 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:06:28,285 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:06:28,285 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:06:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-09-21 11:06:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:06:28,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:28,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:28,322 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:28,328 INFO L82 PathProgramCache]: Analyzing trace with hash -536149365, now seen corresponding path program 1 times [2020-09-21 11:06:28,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:28,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599653937] [2020-09-21 11:06:28,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:28,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:28,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:28,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:28,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:06:28,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:06:28,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:06:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,161 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:29,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:29,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:29,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:29,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:29,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:29,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:29,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:29,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:29,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:29,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:29,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:06:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:29,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:29,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:29,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:06:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:29,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:29,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:29,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:29,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:29,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:29,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:29,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599653937] [2020-09-21 11:06:29,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:29,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:06:29,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491487167] [2020-09-21 11:06:29,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:06:29,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:29,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:06:29,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:06:29,430 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 4 states. [2020-09-21 11:06:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:30,246 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-09-21 11:06:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:06:30,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:06:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:30,265 INFO L225 Difference]: With dead ends: 219 [2020-09-21 11:06:30,266 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 11:06:30,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:06:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 11:06:30,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-09-21 11:06:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:06:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-09-21 11:06:30,357 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-09-21 11:06:30,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:30,358 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-09-21 11:06:30,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:06:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-09-21 11:06:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:06:30,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:30,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:30,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:06:30,363 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1955999865, now seen corresponding path program 1 times [2020-09-21 11:06:30,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:30,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508507524] [2020-09-21 11:06:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:06:30,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:30,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:06:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,710 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:30,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:30,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:30,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:30,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:06:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:30,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508507524] [2020-09-21 11:06:30,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:30,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:06:30,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434748242] [2020-09-21 11:06:30,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:06:30,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:30,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:06:30,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:06:30,878 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-09-21 11:06:31,398 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:32,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:32,047 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-09-21 11:06:32,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:06:32,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:06:32,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:32,051 INFO L225 Difference]: With dead ends: 155 [2020-09-21 11:06:32,051 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 11:06:32,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:32,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 11:06:32,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-09-21 11:06:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-21 11:06:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-09-21 11:06:32,079 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-09-21 11:06:32,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:32,080 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-09-21 11:06:32,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:06:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-09-21 11:06:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:06:32,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:32,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:32,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:06:32,083 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:32,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:32,083 INFO L82 PathProgramCache]: Analyzing trace with hash 989054586, now seen corresponding path program 1 times [2020-09-21 11:06:32,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:32,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44174174] [2020-09-21 11:06:32,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:32,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:32,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:32,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:32,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:32,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:06:32,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-09-21 11:06:32,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:06:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:06:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:32,931 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:06:33,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:33,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:33,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:33,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:33,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:33,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:06:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:33,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:06:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:33,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:33,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44174174] [2020-09-21 11:06:33,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:33,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:06:33,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735329197] [2020-09-21 11:06:33,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:06:33,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:33,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:06:33,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:06:33,133 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 5 states. [2020-09-21 11:06:33,515 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:34,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:34,681 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2020-09-21 11:06:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:06:34,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 11:06:34,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:34,691 INFO L225 Difference]: With dead ends: 238 [2020-09-21 11:06:34,691 INFO L226 Difference]: Without dead ends: 180 [2020-09-21 11:06:34,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:34,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-09-21 11:06:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 132. [2020-09-21 11:06:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-21 11:06:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-09-21 11:06:34,732 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 56 [2020-09-21 11:06:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:34,732 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-09-21 11:06:34,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:06:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-09-21 11:06:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:06:34,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:34,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:34,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:06:34,735 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:34,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:34,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1261077216, now seen corresponding path program 1 times [2020-09-21 11:06:34,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:34,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214621605] [2020-09-21 11:06:34,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:06:35,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-21 11:06:35,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:06:35,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:35,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:06:35,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,429 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:35,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:06:35,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:35,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:35,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:35,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:35,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:35,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:35,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:35,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:35,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:35,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:35,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:35,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:35,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:06:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:35,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:35,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:35,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:06:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:35,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:35,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:35,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:35,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:35,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:35,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:35,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:35,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214621605] [2020-09-21 11:06:35,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:35,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:06:35,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186011379] [2020-09-21 11:06:35,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:06:35,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:35,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:06:35,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:06:35,619 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 8 states. [2020-09-21 11:06:36,083 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:37,054 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:37,397 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:37,740 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:37,990 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:38,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:38,493 INFO L93 Difference]: Finished difference Result 385 states and 499 transitions. [2020-09-21 11:06:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:06:38,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:06:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:38,498 INFO L225 Difference]: With dead ends: 385 [2020-09-21 11:06:38,499 INFO L226 Difference]: Without dead ends: 281 [2020-09-21 11:06:38,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:06:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-21 11:06:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 219. [2020-09-21 11:06:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-09-21 11:06:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 260 transitions. [2020-09-21 11:06:38,550 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 260 transitions. Word has length 59 [2020-09-21 11:06:38,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:38,551 INFO L479 AbstractCegarLoop]: Abstraction has 219 states and 260 transitions. [2020-09-21 11:06:38,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 260 transitions. [2020-09-21 11:06:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:06:38,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:38,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:38,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:06:38,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:38,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:38,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1219688068, now seen corresponding path program 1 times [2020-09-21 11:06:38,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:38,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722620507] [2020-09-21 11:06:38,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:38,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:38,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:38,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:38,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:38,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 11:06:38,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:38,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-21 11:06:38,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:06:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:06:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:39,320 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:39,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:06:39,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:39,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:39,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:39,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:39,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:39,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:39,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:39,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:06:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:06:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:39,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:39,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:39,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:39,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:39,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:39,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:39,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:39,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722620507] [2020-09-21 11:06:39,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:39,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:39,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850531039] [2020-09-21 11:06:39,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:39,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:39,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:39,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:39,493 INFO L87 Difference]: Start difference. First operand 219 states and 260 transitions. Second operand 9 states. [2020-09-21 11:06:40,062 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:41,314 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:41,699 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:42,067 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:42,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:42,302 INFO L93 Difference]: Finished difference Result 446 states and 580 transitions. [2020-09-21 11:06:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:06:42,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 11:06:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:42,303 INFO L225 Difference]: With dead ends: 446 [2020-09-21 11:06:42,304 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:06:42,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:06:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:06:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:06:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:06:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:06:42,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-09-21 11:06:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:42,310 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:06:42,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:06:42,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:06:42,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:06:42,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:06:42,543 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:42,717 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:42,893 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:43,055 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:43,217 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:43,390 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:43,543 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:43,836 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 6 [2020-09-21 11:06:44,250 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:44,640 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:45,033 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:45,431 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:45,731 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 11:06:45,983 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 11:06:46,234 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 11:06:46,596 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:46,864 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 11:06:47,232 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:47,501 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 11:06:47,660 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:48,032 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:48,393 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:48,772 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:49,148 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:49,419 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 11:06:49,671 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 11:06:49,921 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 11:06:50,284 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:06:50,552 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 11:06:50,922 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:06:51,195 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 11:06:51,366 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:51,523 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:51,681 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:51,839 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:51,984 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:52,132 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:52,285 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:52,440 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:52,598 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:52,882 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 6 [2020-09-21 11:06:53,057 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:53,225 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:06:53,382 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:53,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:53,693 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:53,851 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:54,004 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:54,153 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:54,302 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:54,455 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:54,609 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:54,767 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:54,919 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:55,076 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:55,233 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:55,386 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:55,537 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:55,703 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:06:55,860 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:56,013 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:56,166 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:56,319 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:56,477 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:56,625 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:56,783 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:56,940 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:57,089 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:57,242 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:57,396 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:57,553 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:57,711 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:57,866 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:58,016 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:58,174 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:58,338 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:58,490 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:58,637 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:58,799 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:58,956 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:59,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:59,263 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:59,591 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:06:59,905 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:07:00,222 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:00,539 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:00,857 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:01,174 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:07:01,335 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:07:01,487 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:01,645 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:01,796 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:01,937 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 6 [2020-09-21 11:07:02,243 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:02,448 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:02,860 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 11:07:03,314 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2020-09-21 11:07:03,548 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:03,989 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2020-09-21 11:07:04,219 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:04,446 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:04,657 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 11:07:04,887 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:05,143 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:05,348 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-09-21 11:07:05,582 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:06,028 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2020-09-21 11:07:06,253 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:06,475 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:07:06,806 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-09-21 11:07:07,002 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-09-21 11:07:07,436 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-21 11:07:07,872 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 11:07:08,299 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 11:07:08,675 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 11:07:08,692 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-09-21 11:07:08,693 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-09-21 11:07:08,693 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 11:07:08,693 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-09-21 11:07:08,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-09-21 11:07:08,693 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-09-21 11:07:08,693 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-09-21 11:07:08,694 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-09-21 11:07:08,694 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 11:07:08,694 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-09-21 11:07:08,694 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-09-21 11:07:08,694 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-21 11:07:08,695 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-09-21 11:07:08,695 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-09-21 11:07:08,695 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-09-21 11:07:08,695 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-09-21 11:07:08,695 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 11:07:08,695 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-09-21 11:07:08,696 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 11:07:08,696 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 11:07:08,696 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:07:08,696 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 11:07:08,696 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:07:08,696 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 866 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,697 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2020-09-21 11:07:08,697 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,697 INFO L264 CegarLoopResult]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,697 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 866 888) no Hoare annotation was computed. [2020-09-21 11:07:08,697 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-09-21 11:07:08,697 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2020-09-21 11:07:08,698 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-21 11:07:08,698 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,698 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,698 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,698 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 11:07:08,698 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 11:07:08,698 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 11:07:08,699 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2020-09-21 11:07:08,700 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:07:08,700 INFO L268 CegarLoopResult]: For program point L582(lines 582 588) no Hoare annotation was computed. [2020-09-21 11:07:08,701 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:07:08,701 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 578 592) no Hoare annotation was computed. [2020-09-21 11:07:08,701 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 488 495) no Hoare annotation was computed. [2020-09-21 11:07:08,701 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 488 495) no Hoare annotation was computed. [2020-09-21 11:07:08,701 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 488 495) no Hoare annotation was computed. [2020-09-21 11:07:08,701 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2020-09-21 11:07:08,701 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 533 541) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point L572-1(line 572) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point L561(lines 561 569) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point L561-2(lines 561 569) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 542 577) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 542 577) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-09-21 11:07:08,702 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 542 577) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-09-21 11:07:08,703 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-09-21 11:07:08,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-09-21 11:07:08,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-09-21 11:07:08,704 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-09-21 11:07:08,704 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 855 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,704 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:07:08,704 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2020-09-21 11:07:08,704 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2020-09-21 11:07:08,704 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 522 532) no Hoare annotation was computed. [2020-09-21 11:07:08,705 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 11:07:08,705 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-09-21 11:07:08,705 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 522 532) no Hoare annotation was computed. [2020-09-21 11:07:08,705 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 522 532) no Hoare annotation was computed. [2020-09-21 11:07:08,705 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2020-09-21 11:07:08,705 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2020-09-21 11:07:08,705 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 514 521) no Hoare annotation was computed. [2020-09-21 11:07:08,706 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2020-09-21 11:07:08,706 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2020-09-21 11:07:08,706 INFO L268 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-09-21 11:07:08,706 INFO L264 CegarLoopResult]: At program point testENTRY(lines 597 662) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,706 INFO L268 CegarLoopResult]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2020-09-21 11:07:08,706 INFO L264 CegarLoopResult]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:08,706 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,707 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-09-21 11:07:08,707 INFO L264 CegarLoopResult]: At program point L643-1(lines 637 650) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,707 INFO L268 CegarLoopResult]: For program point L608(lines 607 654) no Hoare annotation was computed. [2020-09-21 11:07:08,707 INFO L268 CegarLoopResult]: For program point L637(lines 637 650) no Hoare annotation was computed. [2020-09-21 11:07:08,707 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,707 INFO L268 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2020-09-21 11:07:08,707 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2020-09-21 11:07:08,707 INFO L264 CegarLoopResult]: At program point L652(lines 607 654) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,708 INFO L264 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-09-21 11:07:08,708 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L694(lines 694 704) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-09-21 11:07:08,709 INFO L268 CegarLoopResult]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2020-09-21 11:07:08,710 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:07:08,710 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:07:08,710 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-09-21 11:07:08,710 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2020-09-21 11:07:08,710 INFO L268 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-09-21 11:07:08,710 INFO L268 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-09-21 11:07:08,710 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 760 782) no Hoare annotation was computed. [2020-09-21 11:07:08,710 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 760 782) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 760 782) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 674 681) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:07:08,711 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-09-21 11:07:08,712 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-09-21 11:07:08,713 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,714 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:07:08,714 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,714 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:07:08,714 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 497 513) no Hoare annotation was computed. [2020-09-21 11:07:08,714 INFO L268 CegarLoopResult]: For program point L508-1(lines 497 513) no Hoare annotation was computed. [2020-09-21 11:07:08,714 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 497 513) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 783 791) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 783 791) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 783 791) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,715 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,716 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:07:08,716 INFO L268 CegarLoopResult]: For program point L743-1(lines 739 750) no Hoare annotation was computed. [2020-09-21 11:07:08,716 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2020-09-21 11:07:08,716 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2020-09-21 11:07:08,716 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 751 759) no Hoare annotation was computed. [2020-09-21 11:07:08,716 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2020-09-21 11:07:08,716 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,716 INFO L264 CegarLoopResult]: At program point L468(lines 468 474) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,717 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 11:07:08,717 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:07:08,717 INFO L268 CegarLoopResult]: For program point L461(lines 460 479) no Hoare annotation was computed. [2020-09-21 11:07:08,717 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2020-09-21 11:07:08,717 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2020-09-21 11:07:08,717 INFO L271 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: true [2020-09-21 11:07:08,717 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2020-09-21 11:07:08,717 INFO L268 CegarLoopResult]: For program point L800-1(line 800) no Hoare annotation was computed. [2020-09-21 11:07:08,718 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2020-09-21 11:07:08,718 INFO L271 CegarLoopResult]: At program point L819(lines 794 823) the Hoare annotation is: true [2020-09-21 11:07:08,718 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 11:07:08,718 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-09-21 11:07:08,718 INFO L271 CegarLoopResult]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2020-09-21 11:07:08,718 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-09-21 11:07:08,718 INFO L271 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2020-09-21 11:07:08,718 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2020-09-21 11:07:08,718 INFO L268 CegarLoopResult]: For program point L719-1(lines 715 726) no Hoare annotation was computed. [2020-09-21 11:07:08,719 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2020-09-21 11:07:08,719 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2020-09-21 11:07:08,719 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2020-09-21 11:07:08,719 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,719 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:07:08,719 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:07:08,719 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:07:08,719 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2020-09-21 11:07:08,720 INFO L268 CegarLoopResult]: For program point L731-1(lines 727 738) no Hoare annotation was computed. [2020-09-21 11:07:08,720 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:07:08,720 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 664 671) no Hoare annotation was computed. [2020-09-21 11:07:08,720 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2020-09-21 11:07:08,720 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2020-09-21 11:07:08,720 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2020-09-21 11:07:08,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:07:08 BoogieIcfgContainer [2020-09-21 11:07:08,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:07:08,743 INFO L168 Benchmark]: Toolchain (without parser) took 42452.65 ms. Allocated memory was 141.0 MB in the beginning and 599.8 MB in the end (delta: 458.8 MB). Free memory was 102.0 MB in the beginning and 254.2 MB in the end (delta: -152.2 MB). Peak memory consumption was 444.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:08,744 INFO L168 Benchmark]: CDTParser took 1.63 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:07:08,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.00 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 172.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:08,745 INFO L168 Benchmark]: Boogie Preprocessor took 94.13 ms. Allocated memory is still 204.5 MB. Free memory was 172.7 MB in the beginning and 168.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:08,746 INFO L168 Benchmark]: RCFGBuilder took 1181.78 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 194.3 MB in the end (delta: -26.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:08,747 INFO L168 Benchmark]: TraceAbstraction took 40532.10 ms. Allocated memory was 234.4 MB in the beginning and 599.8 MB in the end (delta: 365.4 MB). Free memory was 193.0 MB in the beginning and 254.2 MB in the end (delta: -61.2 MB). Peak memory consumption was 442.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:08,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.00 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 172.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.13 ms. Allocated memory is still 204.5 MB. Free memory was 172.7 MB in the beginning and 168.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.78 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.1 MB in the beginning and 194.3 MB in the end (delta: -26.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40532.10 ms. Allocated memory was 234.4 MB in the beginning and 599.8 MB in the end (delta: 365.4 MB). Free memory was 193.0 MB in the beginning and 254.2 MB in the end (delta: -61.2 MB). Peak memory consumption was 442.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 212 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 401 SDtfs, 625 SDslu, 349 SDs, 0 SdLazy, 1283 SolverSat, 434 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 284 PreInvPairs, 346 NumberOfFragments, 707 HoareAnnotationTreeSize, 284 FomulaSimplifications, 123804 FormulaSimplificationTreeSizeReduction, 19.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 10938 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 78716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...