/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:50:37,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:50:37,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:50:37,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:50:37,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:50:37,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:50:37,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:50:37,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:50:37,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:50:37,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:50:37,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:50:37,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:50:37,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:50:37,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:50:37,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:50:37,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:50:37,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:50:37,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:50:37,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:50:37,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:50:37,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:50:37,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:50:37,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:50:37,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:50:37,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:50:37,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:50:37,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:50:37,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:50:37,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:50:37,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:50:37,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:50:37,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:50:37,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:50:37,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:50:37,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:50:37,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:50:37,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:50:37,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:50:37,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:50:37,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:50:37,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:50:37,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:50:37,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:50:37,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:50:37,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:50:37,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:50:37,935 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:50:37,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:50:37,936 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:50:37,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:50:37,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:50:37,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:50:37,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:50:37,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:50:37,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:50:37,938 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:50:37,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:50:37,939 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:50:37,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:50:37,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:50:37,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:50:37,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:50:37,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:50:37,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:50:37,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:50:37,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:50:37,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:50:37,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:50:37,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:50:37,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:50:37,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:50:37,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:50:38,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:50:38,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:50:38,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:50:38,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:50:38,264 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:50:38,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2020-10-12 17:50:38,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a13ce766/e78cf435114d41dab218a343bc89ced3/FLAGb351a69fa [2020-10-12 17:50:38,801 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:50:38,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2020-10-12 17:50:38,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a13ce766/e78cf435114d41dab218a343bc89ced3/FLAGb351a69fa [2020-10-12 17:50:39,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a13ce766/e78cf435114d41dab218a343bc89ced3 [2020-10-12 17:50:39,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:50:39,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:50:39,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:50:39,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:50:39,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:50:39,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39, skipping insertion in model container [2020-10-12 17:50:39,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:50:39,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:50:39,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:50:39,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:50:39,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:50:39,906 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:50:39,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39 WrapperNode [2020-10-12 17:50:39,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:50:39,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:50:39,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:50:39,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:50:39,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... [2020-10-12 17:50:39,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:50:39,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:50:39,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:50:39,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:50:40,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 17:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 17:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 17:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 17:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 17:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 17:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:50:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:50:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:50:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 17:50:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 17:50:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-12 17:50:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 17:50:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 17:50:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 17:50:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 17:50:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 17:50:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-12 17:50:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:50:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:50:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 17:50:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 17:50:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:50:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 17:50:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 17:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 17:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 17:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 17:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 17:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 17:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 17:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 17:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 17:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 17:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 17:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 17:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-12 17:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:50:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:50:41,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:50:41,064 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 17:50:41,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:50:41 BoogieIcfgContainer [2020-10-12 17:50:41,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:50:41,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:50:41,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:50:41,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:50:41,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:50:39" (1/3) ... [2020-10-12 17:50:41,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449a3284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:50:41, skipping insertion in model container [2020-10-12 17:50:41,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:50:39" (2/3) ... [2020-10-12 17:50:41,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449a3284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:50:41, skipping insertion in model container [2020-10-12 17:50:41,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:50:41" (3/3) ... [2020-10-12 17:50:41,077 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2020-10-12 17:50:41,088 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:50:41,096 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:50:41,110 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:50:41,135 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:50:41,135 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:50:41,135 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:50:41,136 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:50:41,136 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:50:41,136 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:50:41,136 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:50:41,136 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:50:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-10-12 17:50:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 17:50:41,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:50:41,169 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] [2020-10-12 17:50:41,169 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:50:41,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:50:41,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1568761122, now seen corresponding path program 1 times [2020-10-12 17:50:41,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:50:41,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086520596] [2020-10-12 17:50:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:50:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:41,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:42,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:43,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:46,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:46,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 17:50:46,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:50:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:50:46,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 17:50:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:50:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 17:50:46,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:50:47,093 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:50:47,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:50:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-12 17:50:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:50:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:50:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:47,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:50:47,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:47,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:47,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:50:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:47,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:50:47,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:50:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:47,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:50:47,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:47,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:50:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:47,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:50:47,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:47,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:50:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:47,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:50:47,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:47,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 17:50:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:47,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:50:47,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:50:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 17:50:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:47,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:50:47,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:50:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:50:47,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086520596] [2020-10-12 17:50:47,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:50:47,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 17:50:47,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470284264] [2020-10-12 17:50:47,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 17:50:47,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:50:47,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 17:50:47,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 17:50:47,535 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 8 states. [2020-10-12 17:50:48,068 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:50:48,991 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:50:49,309 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:50:49,610 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 17:50:50,018 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:50:50,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:50:50,568 INFO L93 Difference]: Finished difference Result 285 states and 392 transitions. [2020-10-12 17:50:50,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 17:50:50,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 17:50:50,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:50:50,584 INFO L225 Difference]: With dead ends: 285 [2020-10-12 17:50:50,584 INFO L226 Difference]: Without dead ends: 175 [2020-10-12 17:50:50,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 17:50:50,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-12 17:50:50,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 133. [2020-10-12 17:50:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-12 17:50:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-10-12 17:50:50,676 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2020-10-12 17:50:50,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:50:50,676 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-10-12 17:50:50,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 17:50:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-10-12 17:50:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 17:50:50,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:50:50,680 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] [2020-10-12 17:50:50,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:50:50,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:50:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:50:50,681 INFO L82 PathProgramCache]: Analyzing trace with hash -521572942, now seen corresponding path program 1 times [2020-10-12 17:50:50,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:50:50,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897871842] [2020-10-12 17:50:50,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:50:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:50,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:50,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:51,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:51,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:55,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:55,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:50:55,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:50:55,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4982 [2020-10-12 17:50:55,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:55,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:50:55,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:50:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:50:55,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:55,952 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:50:55,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:50:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:55,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:56,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:50:56,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:50:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:50:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:56,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:50:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:56,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:56,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:56,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:50:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:56,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:50:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:56,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:50:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:56,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:56,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:50:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:56,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:56,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:56,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:50:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:56,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:50:56,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:56,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 17:50:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:56,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:56,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:50:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 17:50:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:56,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:56,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:56,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:56,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:56,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:50:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:56,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:50:56,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897871842] [2020-10-12 17:50:56,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:50:56,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 17:50:56,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320008454] [2020-10-12 17:50:56,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 17:50:56,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:50:56,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 17:50:56,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 17:50:56,133 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 6 states. [2020-10-12 17:50:56,459 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:50:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:50:57,309 INFO L93 Difference]: Finished difference Result 291 states and 379 transitions. [2020-10-12 17:50:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 17:50:57,310 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-10-12 17:50:57,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:50:57,318 INFO L225 Difference]: With dead ends: 291 [2020-10-12 17:50:57,319 INFO L226 Difference]: Without dead ends: 186 [2020-10-12 17:50:57,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-12 17:50:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-12 17:50:57,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 133. [2020-10-12 17:50:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-12 17:50:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2020-10-12 17:50:57,396 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 61 [2020-10-12 17:50:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:50:57,396 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2020-10-12 17:50:57,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 17:50:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2020-10-12 17:50:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-12 17:50:57,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:50:57,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:50:57,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:50:57,406 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:50:57,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:50:57,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1040881725, now seen corresponding path program 1 times [2020-10-12 17:50:57,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:50:57,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843295028] [2020-10-12 17:50:57,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:50:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:57,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:57,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:58,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:58,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 17:50:58,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:50:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-12 17:50:58,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:50:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 17:50:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 17:50:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:58,910 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:50:58,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:50:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:58,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:58,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:58,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:58,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:50:58,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:58,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:58,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:50:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:58,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:58,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:58,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:58,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:58,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:50:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:58,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:58,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:58,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:58,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:58,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:50:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:58,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:58,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:58,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:58,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:58,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:58,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:58,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:50:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:58,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:58,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:58,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:58,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:58,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:50:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:50:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:59,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:50:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:59,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:59,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:59,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:59,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:50:59,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:50:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:50:59,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:50:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:59,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:59,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:59,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:50:59,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:59,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 17:50:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:59,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:59,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:50:59,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:59,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:59,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:50:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 17:50:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:59,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:59,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:59,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:59,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:59,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:50:59,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:59,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 17:50:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:50:59,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:50:59,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:50:59,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:50:59,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:50:59,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:50:59,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:50:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:50:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:50:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:50:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:50:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 17:50:59,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843295028] [2020-10-12 17:50:59,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:50:59,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 17:50:59,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835743414] [2020-10-12 17:50:59,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 17:50:59,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:50:59,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 17:50:59,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 17:50:59,061 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 6 states. [2020-10-12 17:50:59,360 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 17:51:00,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:51:00,627 INFO L93 Difference]: Finished difference Result 325 states and 430 transitions. [2020-10-12 17:51:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 17:51:00,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-10-12 17:51:00,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:51:00,636 INFO L225 Difference]: With dead ends: 325 [2020-10-12 17:51:00,636 INFO L226 Difference]: Without dead ends: 322 [2020-10-12 17:51:00,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 17:51:00,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-10-12 17:51:00,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 198. [2020-10-12 17:51:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-12 17:51:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 238 transitions. [2020-10-12 17:51:00,688 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 238 transitions. Word has length 64 [2020-10-12 17:51:00,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:51:00,689 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 238 transitions. [2020-10-12 17:51:00,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 17:51:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 238 transitions. [2020-10-12 17:51:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 17:51:00,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:51:00,692 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:51:00,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:51:00,692 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:51:00,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:51:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash -2099404995, now seen corresponding path program 1 times [2020-10-12 17:51:00,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:51:00,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230012978] [2020-10-12 17:51:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:51:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:00,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:00,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:01,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-12 17:51:03,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:51:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2500 [2020-10-12 17:51:03,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:51:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 17:51:03,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:51:03,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,561 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:51:03,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:51:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:51:03,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:51:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:51:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:03,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:51:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:51:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:51:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 17:51:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 17:51:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:51:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 17:51:03,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:51:03,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:51:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:51:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:51:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 17:51:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:03,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:51:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 17:51:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 17:51:03,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:51:03,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:51:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:51:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:51:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:51:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:51:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 17:51:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:51:03,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:51:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:51:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:51:03,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:03,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 17:51:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:51:03,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:51:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:51:03,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 17:51:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:51:03,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:03,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 17:51:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:51:03,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:51:03,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:51:03,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:51:03,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:51:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:51:03,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:51:03,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:51:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:51:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:51:03,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:51:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 17:51:03,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230012978] [2020-10-12 17:51:03,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:51:03,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 17:51:03,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469846226] [2020-10-12 17:51:03,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 17:51:03,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:51:03,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 17:51:03,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-12 17:51:03,936 INFO L87 Difference]: Start difference. First operand 198 states and 238 transitions. Second operand 11 states. [2020-10-12 17:51:04,359 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 17:51:05,231 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 17:51:05,668 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-12 17:51:06,118 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-10-12 17:51:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:51:06,508 INFO L93 Difference]: Finished difference Result 342 states and 450 transitions. [2020-10-12 17:51:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 17:51:06,508 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-10-12 17:51:06,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:51:06,509 INFO L225 Difference]: With dead ends: 342 [2020-10-12 17:51:06,510 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 17:51:06,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:51:06,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 17:51:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 17:51:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 17:51:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 17:51:06,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2020-10-12 17:51:06,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:51:06,515 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 17:51:06,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 17:51:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 17:51:06,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 17:51:06,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:51:06,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 17:51:06,803 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 203 [2020-10-12 17:51:06,961 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 204 [2020-10-12 17:51:07,688 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 204 [2020-10-12 17:51:10,070 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:10,411 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:10,726 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:11,014 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:11,438 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-10-12 17:51:11,552 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2020-10-12 17:51:11,744 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:11,915 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-10-12 17:51:12,362 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-12 17:51:12,552 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:12,728 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:12,980 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:13,467 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-10-12 17:51:13,694 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:13,892 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 17:51:14,031 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-12 17:51:14,548 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2020-10-12 17:51:14,915 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2020-10-12 17:51:15,066 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-12 17:51:15,583 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-12 17:51:16,091 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-10-12 17:51:16,675 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-10-12 17:51:17,158 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-12 17:51:17,493 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-10-12 17:51:17,681 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-10-12 17:51:18,142 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-12 17:51:18,146 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-10-12 17:51:18,147 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-10-12 17:51:18,147 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-12 17:51:18,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 187 242) no Hoare annotation was computed. [2020-10-12 17:51:18,147 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 233) no Hoare annotation was computed. [2020-10-12 17:51:18,147 INFO L268 CegarLoopResult]: For program point L234(lines 211 235) no Hoare annotation was computed. [2020-10-12 17:51:18,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 187 242) no Hoare annotation was computed. [2020-10-12 17:51:18,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 187 242) no Hoare annotation was computed. [2020-10-12 17:51:18,148 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-10-12 17:51:18,148 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-10-12 17:51:18,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 243 302) no Hoare annotation was computed. [2020-10-12 17:51:18,148 INFO L268 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-12 17:51:18,148 INFO L268 CegarLoopResult]: For program point L275-1(lines 275 279) no Hoare annotation was computed. [2020-10-12 17:51:18,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 243 302) no Hoare annotation was computed. [2020-10-12 17:51:18,149 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-10-12 17:51:18,149 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 294) no Hoare annotation was computed. [2020-10-12 17:51:18,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 243 302) no Hoare annotation was computed. [2020-10-12 17:51:18,149 INFO L268 CegarLoopResult]: For program point L295(lines 268 296) no Hoare annotation was computed. [2020-10-12 17:51:18,150 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-10-12 17:51:18,150 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-10-12 17:51:18,150 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-10-12 17:51:18,150 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-10-12 17:51:18,150 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-10-12 17:51:18,150 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,151 INFO L264 CegarLoopResult]: At program point L865-1(line 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,151 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 859 881) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,151 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 859 881) no Hoare annotation was computed. [2020-10-12 17:51:18,151 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 859 881) no Hoare annotation was computed. [2020-10-12 17:51:18,151 INFO L264 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,152 INFO L264 CegarLoopResult]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,152 INFO L268 CegarLoopResult]: For program point L869(lines 869 876) no Hoare annotation was computed. [2020-10-12 17:51:18,152 INFO L268 CegarLoopResult]: For program point L869-1(lines 869 876) no Hoare annotation was computed. [2020-10-12 17:51:18,152 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-10-12 17:51:18,152 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,152 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-10-12 17:51:18,152 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-10-12 17:51:18,152 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 817 840) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 817 840) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 817 840) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-10-12 17:51:18,153 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 648 655) no Hoare annotation was computed. [2020-10-12 17:51:18,154 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 648 655) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 648 655) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 693 701) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 693 701) the Hoare annotation is: true [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 693 701) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point L721(lines 721 729) no Hoare annotation was computed. [2020-10-12 17:51:18,155 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 702 737) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 702 737) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point L709(lines 709 717) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 717) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 702 737) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-10-12 17:51:18,156 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-10-12 17:51:18,156 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 141 186) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 141 186) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 141 186) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point L474(lines 474 481) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 454 499) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point L468(lines 468 488) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point L468-1(lines 468 488) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 454 499) no Hoare annotation was computed. [2020-10-12 17:51:18,157 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 454 499) no Hoare annotation was computed. [2020-10-12 17:51:18,158 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 848 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,158 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 848 858) no Hoare annotation was computed. [2020-10-12 17:51:18,158 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 848 858) no Hoare annotation was computed. [2020-10-12 17:51:18,158 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,158 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 682 692) no Hoare annotation was computed. [2020-10-12 17:51:18,158 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 682 692) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 682 692) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 674 681) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 674 681) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 674 681) no Hoare annotation was computed. [2020-10-12 17:51:18,159 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 641 647) no Hoare annotation was computed. [2020-10-12 17:51:18,160 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 641 647) the Hoare annotation is: true [2020-10-12 17:51:18,160 INFO L264 CegarLoopResult]: At program point testENTRY(lines 542 607) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,160 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,160 INFO L268 CegarLoopResult]: For program point L572(lines 572 578) no Hoare annotation was computed. [2020-10-12 17:51:18,160 INFO L268 CegarLoopResult]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2020-10-12 17:51:18,160 INFO L268 CegarLoopResult]: For program point testFINAL(lines 542 607) no Hoare annotation was computed. [2020-10-12 17:51:18,161 INFO L264 CegarLoopResult]: At program point L597(lines 552 599) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,161 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,161 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-10-12 17:51:18,161 INFO L268 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-10-12 17:51:18,161 INFO L268 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-10-12 17:51:18,161 INFO L264 CegarLoopResult]: At program point L600(lines 551 601) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,161 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-10-12 17:51:18,162 INFO L264 CegarLoopResult]: At program point L590-2(lines 582 595) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) .cse0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 0 ~methAndRunningLastTime~0) .cse0 (<= ~methAndRunningLastTime~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-12 17:51:18,162 INFO L268 CegarLoopResult]: For program point L553(lines 552 599) no Hoare annotation was computed. [2020-10-12 17:51:18,162 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (= ~methaneLevelCritical~0 0) .cse0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 0 ~methAndRunningLastTime~0) .cse0 (<= ~methAndRunningLastTime~0 0)) (not (<= |old(~methAndRunningLastTime~0)| 0)))) [2020-10-12 17:51:18,162 INFO L268 CegarLoopResult]: For program point L582(lines 582 595) no Hoare annotation was computed. [2020-10-12 17:51:18,162 INFO L268 CegarLoopResult]: For program point testEXIT(lines 542 607) no Hoare annotation was computed. [2020-10-12 17:51:18,162 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 408 453) no Hoare annotation was computed. [2020-10-12 17:51:18,162 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 408 453) no Hoare annotation was computed. [2020-10-12 17:51:18,162 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 408 453) no Hoare annotation was computed. [2020-10-12 17:51:18,163 INFO L268 CegarLoopResult]: For program point L428(lines 428 435) no Hoare annotation was computed. [2020-10-12 17:51:18,163 INFO L268 CegarLoopResult]: For program point L422(lines 422 442) no Hoare annotation was computed. [2020-10-12 17:51:18,163 INFO L268 CegarLoopResult]: For program point L422-1(lines 422 442) no Hoare annotation was computed. [2020-10-12 17:51:18,163 INFO L268 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-10-12 17:51:18,163 INFO L268 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-10-12 17:51:18,163 INFO L264 CegarLoopResult]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-12 17:51:18,163 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-10-12 17:51:18,164 INFO L268 CegarLoopResult]: For program point L764(lines 764 781) no Hoare annotation was computed. [2020-10-12 17:51:18,164 INFO L268 CegarLoopResult]: For program point L764-1(lines 756 784) no Hoare annotation was computed. [2020-10-12 17:51:18,164 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse1 .cse2 (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-12 17:51:18,164 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-10-12 17:51:18,164 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 756 784) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse1 .cse2 (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-12 17:51:18,164 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 756 784) no Hoare annotation was computed. [2020-10-12 17:51:18,164 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse1 (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-12 17:51:18,164 INFO L268 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 102 124) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 748 755) the Hoare annotation is: (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 748 755) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 748 755) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-10-12 17:51:18,165 INFO L268 CegarLoopResult]: For program point L351(lines 351 392) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 305 407) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L393(lines 393 404) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 305 407) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L354-2(lines 354 374) no Hoare annotation was computed. [2020-10-12 17:51:18,166 INFO L268 CegarLoopResult]: For program point L375(lines 353 376) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 305 407) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point L334(lines 334 350) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point L394(lines 394 401) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point L355(lines 354 374) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-10-12 17:51:18,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,168 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~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.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~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-12 17:51:18,168 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,168 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-10-12 17:51:18,168 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 657 673) no Hoare annotation was computed. [2020-10-12 17:51:18,168 INFO L268 CegarLoopResult]: For program point L668-1(lines 657 673) no Hoare annotation was computed. [2020-10-12 17:51:18,168 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 657 673) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 125 133) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: (or (not (<= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= 0 ~methAndRunningLastTime~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2020-10-12 17:51:18,169 INFO L268 CegarLoopResult]: For program point L85-1(lines 81 92) no Hoare annotation was computed. [2020-10-12 17:51:18,170 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,170 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,170 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,170 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2020-10-12 17:51:18,170 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 93 101) no Hoare annotation was computed. [2020-10-12 17:51:18,170 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2020-10-12 17:51:18,170 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (and .cse2 .cse1) .cse3 .cse4 (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-12 17:51:18,170 INFO L264 CegarLoopResult]: At program point L628(lines 628 634) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (and .cse2 .cse1) .cse3 .cse4 (not (<= |old(~methAndRunningLastTime~0)| 0))))) [2020-10-12 17:51:18,171 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-12 17:51:18,171 INFO L264 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 .cse2 (not (<= |old(~methAndRunningLastTime~0)| 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse1))) [2020-10-12 17:51:18,171 INFO L268 CegarLoopResult]: For program point L621(lines 620 639) no Hoare annotation was computed. [2020-10-12 17:51:18,171 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2020-10-12 17:51:18,171 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2020-10-12 17:51:18,171 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-10-12 17:51:18,171 INFO L264 CegarLoopResult]: At program point L801-1(lines 801 805) the Hoare annotation is: (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,172 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 787 816) no Hoare annotation was computed. [2020-10-12 17:51:18,172 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-12 17:51:18,172 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 787 816) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-12 17:51:18,172 INFO L264 CegarLoopResult]: At program point L797-2(lines 797 811) the Hoare annotation is: (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) (not (= ~pumpRunning~0 0)) (and (<= 0 ~methAndRunningLastTime~0) (<= ~methAndRunningLastTime~0 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) [2020-10-12 17:51:18,172 INFO L264 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (<= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-12 17:51:18,172 INFO L268 CegarLoopResult]: For program point L793-1(line 793) no Hoare annotation was computed. [2020-10-12 17:51:18,172 INFO L271 CegarLoopResult]: At program point L812(lines 787 816) the Hoare annotation is: true [2020-10-12 17:51:18,173 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-12 17:51:18,173 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2020-10-12 17:51:18,173 INFO L268 CegarLoopResult]: For program point L61-1(lines 57 68) no Hoare annotation was computed. [2020-10-12 17:51:18,173 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2020-10-12 17:51:18,173 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 841 847) no Hoare annotation was computed. [2020-10-12 17:51:18,173 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 841 847) the Hoare annotation is: true [2020-10-12 17:51:18,173 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,173 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (= ~methaneLevelCritical~0 0) (<= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) [2020-10-12 17:51:18,173 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 17:51:18,174 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 17:51:18,174 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 738 745) no Hoare annotation was computed. [2020-10-12 17:51:18,174 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 738 745) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= ~methAndRunningLastTime~0 0)) .cse1 (= 1 ~systemActive~0) (not (<= 0 ~methAndRunningLastTime~0))) (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2020-10-12 17:51:18,174 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 738 745) no Hoare annotation was computed. [2020-10-12 17:51:18,174 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2020-10-12 17:51:18,174 INFO L268 CegarLoopResult]: For program point L73-1(lines 69 80) no Hoare annotation was computed. [2020-10-12 17:51:18,174 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= 0 ~methAndRunningLastTime~0))) [2020-10-12 17:51:18,174 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-12 17:51:18,175 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-12 17:51:18,175 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-12 17:51:18,175 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-12 17:51:18,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 05:51:18 BoogieIcfgContainer [2020-10-12 17:51:18,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 17:51:18,195 INFO L168 Benchmark]: Toolchain (without parser) took 39030.96 ms. Allocated memory was 140.0 MB in the beginning and 783.3 MB in the end (delta: 643.3 MB). Free memory was 101.8 MB in the beginning and 395.0 MB in the end (delta: -293.2 MB). Peak memory consumption was 656.0 MB. Max. memory is 7.1 GB. [2020-10-12 17:51:18,196 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 17:51:18,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.58 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.6 MB in the beginning and 172.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-12 17:51:18,197 INFO L168 Benchmark]: Boogie Preprocessor took 88.38 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 167.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-12 17:51:18,198 INFO L168 Benchmark]: RCFGBuilder took 1073.33 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.3 MB in the beginning and 200.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-10-12 17:51:18,199 INFO L168 Benchmark]: TraceAbstraction took 37122.26 ms. Allocated memory was 236.5 MB in the beginning and 783.3 MB in the end (delta: 546.8 MB). Free memory was 198.7 MB in the beginning and 395.0 MB in the end (delta: -196.3 MB). Peak memory consumption was 656.4 MB. Max. memory is 7.1 GB. [2020-10-12 17:51:18,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.58 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.6 MB in the beginning and 172.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.38 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 167.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1073.33 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.3 MB in the beginning and 200.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37122.26 ms. Allocated memory was 236.5 MB in the beginning and 783.3 MB in the end (delta: 546.8 MB). Free memory was 198.7 MB in the beginning and 395.0 MB in the end (delta: -196.3 MB). Peak memory consumption was 656.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 797]: Loop Invariant Derived loop invariant: (((!(0 <= \old(methAndRunningLastTime)) || !(pumpRunning == 0)) || (0 <= methAndRunningLastTime && methAndRunningLastTime <= 0)) || !(1 == systemActive)) || !(\old(methAndRunningLastTime) <= 0) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 <= \old(methAndRunningLastTime))) || !(pumpRunning == 0)) || methaneLevelCritical == 0) || !(\old(methaneLevelCritical) == 0)) || ((1 == systemActive && 0 <= methAndRunningLastTime) && methAndRunningLastTime <= 0)) || !(\old(methAndRunningLastTime) <= 0) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || !(0 <= \old(methAndRunningLastTime))) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0)) || ((1 == systemActive && 0 <= methAndRunningLastTime) && methAndRunningLastTime <= 0)) || !(\old(methAndRunningLastTime) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 787 SDslu, 398 SDs, 0 SdLazy, 1405 SolverSat, 613 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 94 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=3, 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, 4 MinimizatonAttempts, 219 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 259 PreInvPairs, 326 NumberOfFragments, 1263 HoareAnnotationTreeSize, 259 FomulaSimplifications, 132636 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 10263 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 89361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 20/22 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...