/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=NARROWEST --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_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:50:35,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:50:35,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:50:35,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:50:35,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:50:35,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:50:35,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:50:35,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:50:35,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:50:35,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:50:35,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:50:35,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:50:35,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:50:35,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:50:35,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:50:35,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:50:35,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:50:35,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:50:35,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:50:35,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:50:35,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:50:35,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:50:35,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:50:35,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:50:35,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:50:35,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:50:35,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:50:35,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:50:35,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:50:35,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:50:35,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:50:35,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:50:35,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:50:35,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:50:35,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:50:35,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:50:35,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:50:35,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:50:35,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:50:35,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:50:35,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:50:35,980 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 [2020-10-13 12:50:36,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:50:36,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:50:36,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:50:36,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:50:36,028 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:50:36,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:50:36,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:50:36,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:50:36,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:50:36,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:50:36,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:50:36,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:50:36,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:50:36,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:50:36,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:50:36,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:50:36,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:50:36,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:50:36,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:50:36,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:50:36,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:50:36,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:50:36,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:50:36,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:50:36,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:50:36,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:50:36,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:50:36,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:50:36,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:50:36,033 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:50:36,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:50:36,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:50:36,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:50:36,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:50:36,345 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:50:36,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-10-13 12:50:36,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1740aeac6/62d518ce5bca4621a4abc12d1d2e62df/FLAG4efc7624b [2020-10-13 12:50:36,952 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:50:36,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-10-13 12:50:36,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1740aeac6/62d518ce5bca4621a4abc12d1d2e62df/FLAG4efc7624b [2020-10-13 12:50:37,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1740aeac6/62d518ce5bca4621a4abc12d1d2e62df [2020-10-13 12:50:37,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:50:37,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:50:37,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:50:37,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:50:37,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:50:37,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:37" (1/1) ... [2020-10-13 12:50:37,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bc1dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:37, skipping insertion in model container [2020-10-13 12:50:37,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:37" (1/1) ... [2020-10-13 12:50:37,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:50:37,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:50:37,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:50:37,894 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:50:37,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:50:38,007 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:50:38,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38 WrapperNode [2020-10-13 12:50:38,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:50:38,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:50:38,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:50:38,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:50:38,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (1/1) ... [2020-10-13 12:50:38,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:50:38,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:50:38,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:50:38,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:50:38,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (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 [2020-10-13 12:50:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:50:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:50:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:50:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:50:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:50:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:50:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:50:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:50:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:50:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:50:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:50:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:50:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:50:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:50:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:50:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:50:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:50:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:50:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:50:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:50:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:50:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:50:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:50:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:50:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:50:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:50:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:50:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:50:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:50:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:50:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:50:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:50:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:50:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:50:38,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:50:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:50:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:50:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:50:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:50:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:50:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:50:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:50:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:50:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:50:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:50:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:50:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:50:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:50:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:50:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:50:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:50:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:50:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:50:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:50:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:50:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:50:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:50:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:50:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:50:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:50:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:50:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:50:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:50:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:50:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:50:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:50:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:50:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:50:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:50:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:50:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:50:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:50:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:50:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:50:39,270 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:50:39,270 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:50:39,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:39 BoogieIcfgContainer [2020-10-13 12:50:39,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:50:39,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:50:39,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:50:39,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:50:39,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:37" (1/3) ... [2020-10-13 12:50:39,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee42d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:39, skipping insertion in model container [2020-10-13 12:50:39,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:38" (2/3) ... [2020-10-13 12:50:39,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee42d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:39, skipping insertion in model container [2020-10-13 12:50:39,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:39" (3/3) ... [2020-10-13 12:50:39,291 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2020-10-13 12:50:39,301 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:50:39,310 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:50:39,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:50:39,351 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:50:39,352 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:50:39,352 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:50:39,352 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:50:39,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:50:39,353 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:50:39,353 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:50:39,353 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:50:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-10-13 12:50:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:50:39,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:39,393 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:39,394 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:39,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:39,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1996621703, now seen corresponding path program 1 times [2020-10-13 12:50:39,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:39,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611797919] [2020-10-13 12:50:39,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:39,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:39,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:41,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:41,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:44,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:44,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:50:44,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:50:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 12:50:44,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:50:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:44,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-13 12:50:45,109 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:45,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 12:50:45,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:45,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:45,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:45,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:45,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:50:45,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:45,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:45,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:45,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:45,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:50:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:45,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:50:45,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:50:45,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:45,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:45,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:45,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:50:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:45,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:45,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:45,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 12:50:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:50:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:45,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:45,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:50:45,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611797919] [2020-10-13 12:50:45,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:45,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:50:45,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783838341] [2020-10-13 12:50:45,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:50:45,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:45,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:50:45,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:50:45,383 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-10-13 12:50:46,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:46,753 INFO L93 Difference]: Finished difference Result 316 states and 408 transitions. [2020-10-13 12:50:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:50:46,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:50:46,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:46,773 INFO L225 Difference]: With dead ends: 316 [2020-10-13 12:50:46,774 INFO L226 Difference]: Without dead ends: 175 [2020-10-13 12:50:46,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:50:46,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-13 12:50:46,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 142. [2020-10-13 12:50:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-13 12:50:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-10-13 12:50:46,880 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-10-13 12:50:46,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:46,880 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-10-13 12:50:46,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:50:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-10-13 12:50:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:50:46,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:46,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:46,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:50:46,885 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:46,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:46,887 INFO L82 PathProgramCache]: Analyzing trace with hash -2025451369, now seen corresponding path program 1 times [2020-10-13 12:50:46,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:46,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903721568] [2020-10-13 12:50:46,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:46,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:47,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:47,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:50:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:50:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 12:50:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:50:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:50:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:50:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:52,257 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:52,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:50:52,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:52,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:52,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:52,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:52,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:52,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:52,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:50:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:52,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:52,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:50:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:52,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:50:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:52,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:52,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:52,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:50:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:52,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:52,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:52,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:50:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:52,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:52,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:52,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:52,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:52,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:52,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:52,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:50:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:50:52,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903721568] [2020-10-13 12:50:52,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:52,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:50:52,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79658003] [2020-10-13 12:50:52,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:50:52,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:52,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:50:52,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:50:52,372 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2020-10-13 12:50:52,840 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:50:53,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:53,701 INFO L93 Difference]: Finished difference Result 251 states and 308 transitions. [2020-10-13 12:50:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:50:53,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:50:53,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:53,707 INFO L225 Difference]: With dead ends: 251 [2020-10-13 12:50:53,707 INFO L226 Difference]: Without dead ends: 165 [2020-10-13 12:50:53,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:50:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-13 12:50:53,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 133. [2020-10-13 12:50:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-13 12:50:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2020-10-13 12:50:53,797 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2020-10-13 12:50:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:53,797 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2020-10-13 12:50:53,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:50:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2020-10-13 12:50:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 12:50:53,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:50:53,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:50:53,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:50:53,806 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:50:53,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:50:53,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1933806074, now seen corresponding path program 1 times [2020-10-13 12:50:53,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:50:53,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847579669] [2020-10-13 12:50:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:50:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:53,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:54,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:55,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 12:50:57,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:50:57,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3279 [2020-10-13 12:50:57,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:50:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-13 12:50:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:50:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:57,370 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:50:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:57,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:50:57,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:50:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:57,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:57,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:57,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:50:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:50:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:50:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:57,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:57,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:50:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:50:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:57,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:50:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:57,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:50:57,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:50:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:50:57,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:57,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:50:57,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:50:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:57,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:57,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:50:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:50:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:50:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:57,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:57,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:50:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:50:57,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 12:50:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:50:57,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:50:57,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:50:57,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:50:57,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:50:57,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:50:57,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:50:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:50:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:50:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:50:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:50:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:50:57,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847579669] [2020-10-13 12:50:57,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:50:57,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:50:57,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042617107] [2020-10-13 12:50:57,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:50:57,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:50:57,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:50:57,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:50:57,569 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 8 states. [2020-10-13 12:50:57,916 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:50:58,610 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:50:59,165 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:50:59,405 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:50:59,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:50:59,503 INFO L93 Difference]: Finished difference Result 225 states and 287 transitions. [2020-10-13 12:50:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:50:59,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-13 12:50:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:50:59,504 INFO L225 Difference]: With dead ends: 225 [2020-10-13 12:50:59,504 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:50:59,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:50:59,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:50:59,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:50:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:50:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:50:59,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-13 12:50:59,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:50:59,508 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:50:59,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:50:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:50:59,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:50:59,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:50:59,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:51:01,319 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-13 12:51:01,463 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:01,624 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-13 12:51:01,766 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-13 12:51:01,924 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:02,095 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:02,236 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:51:02,445 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:02,587 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-13 12:51:02,740 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-13 12:51:02,917 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:51:03,087 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:51:03,256 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:51:03,422 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:03,610 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:03,753 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:51:03,910 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:04,065 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:04,228 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:51:04,389 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-13 12:51:04,401 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-10-13 12:51:04,402 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 642) no Hoare annotation was computed. [2020-10-13 12:51:04,402 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-10-13 12:51:04,402 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 653) no Hoare annotation was computed. [2020-10-13 12:51:04,402 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 607 662) no Hoare annotation was computed. [2020-10-13 12:51:04,403 INFO L268 CegarLoopResult]: For program point L654(lines 631 655) no Hoare annotation was computed. [2020-10-13 12:51:04,403 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 607 662) no Hoare annotation was computed. [2020-10-13 12:51:04,403 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 607 662) no Hoare annotation was computed. [2020-10-13 12:51:04,403 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-10-13 12:51:04,403 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-10-13 12:51:04,403 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 663 722) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point L689-2(lines 689 714) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 663 722) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point L715(lines 688 716) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 663 722) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point L708(line 708) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L268 CegarLoopResult]: For program point L708-1(line 708) no Hoare annotation was computed. [2020-10-13 12:51:04,404 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2020-10-13 12:51:04,405 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2020-10-13 12:51:04,405 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2020-10-13 12:51:04,405 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2020-10-13 12:51:04,405 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 265 273) no Hoare annotation was computed. [2020-10-13 12:51:04,405 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 923 930) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-10-13 12:51:04,405 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 923 930) no Hoare annotation was computed. [2020-10-13 12:51:04,405 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 923 930) no Hoare annotation was computed. [2020-10-13 12:51:04,405 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 931 940) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-10-13 12:51:04,406 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 931 940) no Hoare annotation was computed. [2020-10-13 12:51:04,406 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-13 12:51:04,406 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 931 940) no Hoare annotation was computed. [2020-10-13 12:51:04,406 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:51:04,406 INFO L268 CegarLoopResult]: For program point L954(lines 954 960) no Hoare annotation was computed. [2020-10-13 12:51:04,406 INFO L268 CegarLoopResult]: For program point L953(lines 953 963) no Hoare annotation was computed. [2020-10-13 12:51:04,406 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-10-13 12:51:04,406 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-10-13 12:51:04,407 INFO L268 CegarLoopResult]: For program point L949(lines 949 966) no Hoare annotation was computed. [2020-10-13 12:51:04,407 INFO L268 CegarLoopResult]: For program point L949-1(lines 941 969) no Hoare annotation was computed. [2020-10-13 12:51:04,407 INFO L271 CegarLoopResult]: At program point L947(line 947) the Hoare annotation is: true [2020-10-13 12:51:04,407 INFO L268 CegarLoopResult]: For program point L947-1(line 947) no Hoare annotation was computed. [2020-10-13 12:51:04,407 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 941 969) the Hoare annotation is: true [2020-10-13 12:51:04,407 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 941 969) no Hoare annotation was computed. [2020-10-13 12:51:04,407 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,408 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,408 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,408 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,408 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-13 12:51:04,408 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,409 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 12:51:04,409 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 462 476) no Hoare annotation was computed. [2020-10-13 12:51:04,410 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 462 476) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:51:04,411 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 462 476) no Hoare annotation was computed. [2020-10-13 12:51:04,411 INFO L264 CegarLoopResult]: At program point L468(line 468) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,411 INFO L268 CegarLoopResult]: For program point L466(lines 466 472) no Hoare annotation was computed. [2020-10-13 12:51:04,411 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2020-10-13 12:51:04,411 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2020-10-13 12:51:04,411 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2020-10-13 12:51:04,411 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-10-13 12:51:04,411 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point L414(lines 414 422) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-13 12:51:04,412 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point L426(lines 426 434) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 561 606) no Hoare annotation was computed. [2020-10-13 12:51:04,413 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 561 606) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 561 606) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point L894(lines 894 901) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 874 919) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point L888(lines 888 908) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point L888-1(lines 888 908) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 874 919) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 874 919) no Hoare annotation was computed. [2020-10-13 12:51:04,414 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:51:04,415 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,415 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-10-13 12:51:04,415 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-10-13 12:51:04,415 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2020-10-13 12:51:04,415 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2020-10-13 12:51:04,415 INFO L271 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: true [2020-10-13 12:51:04,415 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-10-13 12:51:04,415 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2020-10-13 12:51:04,416 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: true [2020-10-13 12:51:04,416 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:51:04,416 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:51:04,416 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,416 INFO L268 CegarLoopResult]: For program point L352-1(line 352) no Hoare annotation was computed. [2020-10-13 12:51:04,416 INFO L268 CegarLoopResult]: For program point L350(lines 350 367) no Hoare annotation was computed. [2020-10-13 12:51:04,416 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2020-10-13 12:51:04,417 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:51:04,417 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:51:04,417 INFO L268 CegarLoopResult]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2020-10-13 12:51:04,417 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,417 INFO L264 CegarLoopResult]: At program point L356(line 356) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,417 INFO L268 CegarLoopResult]: For program point L354(lines 354 362) no Hoare annotation was computed. [2020-10-13 12:51:04,417 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 312 318) no Hoare annotation was computed. [2020-10-13 12:51:04,417 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 312 318) the Hoare annotation is: true [2020-10-13 12:51:04,418 INFO L264 CegarLoopResult]: At program point testENTRY(lines 486 553) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:51:04,418 INFO L264 CegarLoopResult]: At program point L543(lines 496 545) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,418 INFO L264 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,418 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-10-13 12:51:04,418 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2020-10-13 12:51:04,418 INFO L268 CegarLoopResult]: For program point testFINAL(lines 486 553) no Hoare annotation was computed. [2020-10-13 12:51:04,418 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-13 12:51:04,418 INFO L264 CegarLoopResult]: At program point L546(lines 495 547) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,419 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,419 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-10-13 12:51:04,419 INFO L264 CegarLoopResult]: At program point L534-1(lines 526 541) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,419 INFO L268 CegarLoopResult]: For program point L497(lines 496 545) no Hoare annotation was computed. [2020-10-13 12:51:04,419 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,419 INFO L268 CegarLoopResult]: For program point L526(lines 526 541) no Hoare annotation was computed. [2020-10-13 12:51:04,419 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,419 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point testEXIT(lines 486 553) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 828 873) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 828 873) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 828 873) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point L842(lines 842 862) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 862) no Hoare annotation was computed. [2020-10-13 12:51:04,420 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 230 238) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 198 220) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 198 220) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 198 220) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 241 250) no Hoare annotation was computed. [2020-10-13 12:51:04,421 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 241 250) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 241 250) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 725 827) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point L795(lines 773 796) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point L754(lines 754 770) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point L775(lines 774 794) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 725 827) no Hoare annotation was computed. [2020-10-13 12:51:04,422 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L771(lines 771 812) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 725 827) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 794) no Hoare annotation was computed. [2020-10-13 12:51:04,423 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,424 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)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:51:04,424 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,424 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 371 378) no Hoare annotation was computed. [2020-10-13 12:51:04,424 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 378) no Hoare annotation was computed. [2020-10-13 12:51:04,424 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 378) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 221 229) the Hoare annotation is: true [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 221 229) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point L181-1(lines 177 188) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,425 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:51:04,426 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:51:04,426 INFO L264 CegarLoopResult]: At program point L299(lines 299 305) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:51:04,426 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2020-10-13 12:51:04,426 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2020-10-13 12:51:04,426 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,426 INFO L268 CegarLoopResult]: For program point L292(lines 288 310) no Hoare annotation was computed. [2020-10-13 12:51:04,426 INFO L268 CegarLoopResult]: For program point L290(lines 288 310) no Hoare annotation was computed. [2020-10-13 12:51:04,426 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-10-13 12:51:04,426 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 12:51:04,426 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-10-13 12:51:04,427 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-10-13 12:51:04,427 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-10-13 12:51:04,427 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-13 12:51:04,427 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-10-13 12:51:04,427 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-10-13 12:51:04,427 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-13 12:51:04,427 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-10-13 12:51:04,427 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2020-10-13 12:51:04,427 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 189 197) no Hoare annotation was computed. [2020-10-13 12:51:04,427 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2020-10-13 12:51:04,428 INFO L268 CegarLoopResult]: For program point L157-1(lines 153 164) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-10-13 12:51:04,428 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:51:04,428 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:51:04,428 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 477 484) no Hoare annotation was computed. [2020-10-13 12:51:04,428 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 477 484) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 477 484) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point L169-1(lines 165 176) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 971 978) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 971 978) the Hoare annotation is: true [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 971 978) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 320 344) no Hoare annotation was computed. [2020-10-13 12:51:04,429 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 320 344) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:51:04,429 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:51:04,430 INFO L268 CegarLoopResult]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2020-10-13 12:51:04,430 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,430 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,430 INFO L268 CegarLoopResult]: For program point L328(lines 328 336) no Hoare annotation was computed. [2020-10-13 12:51:04,430 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:51:04,430 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-10-13 12:51:04,430 INFO L268 CegarLoopResult]: For program point L324(lines 324 341) no Hoare annotation was computed. [2020-10-13 12:51:04,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:51:04 BoogieIcfgContainer [2020-10-13 12:51:04,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:51:04,450 INFO L168 Benchmark]: Toolchain (without parser) took 27211.22 ms. Allocated memory was 147.8 MB in the beginning and 655.4 MB in the end (delta: 507.5 MB). Free memory was 104.4 MB in the beginning and 319.9 MB in the end (delta: -215.6 MB). Peak memory consumption was 517.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:04,451 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:51:04,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.35 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 103.9 MB in the beginning and 172.2 MB in the end (delta: -68.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:04,453 INFO L168 Benchmark]: Boogie Preprocessor took 90.01 ms. Allocated memory is still 206.0 MB. Free memory was 172.2 MB in the beginning and 167.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:04,454 INFO L168 Benchmark]: RCFGBuilder took 1181.95 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 167.6 MB in the beginning and 186.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:04,455 INFO L168 Benchmark]: TraceAbstraction took 25164.70 ms. Allocated memory was 232.8 MB in the beginning and 655.4 MB in the end (delta: 422.6 MB). Free memory was 185.0 MB in the beginning and 319.9 MB in the end (delta: -134.9 MB). Peak memory consumption was 512.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:51:04,459 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.35 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 103.9 MB in the beginning and 172.2 MB in the end (delta: -68.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.01 ms. Allocated memory is still 206.0 MB. Free memory was 172.2 MB in the beginning and 167.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.95 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 167.6 MB in the beginning and 186.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25164.70 ms. Allocated memory was 232.8 MB in the beginning and 655.4 MB in the end (delta: 422.6 MB). Free memory was 185.0 MB in the beginning and 319.9 MB in the end (delta: -134.9 MB). Peak memory consumption was 512.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 975]: 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: 496]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 363 SDslu, 220 SDs, 0 SdLazy, 723 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=0, 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, 3 MinimizatonAttempts, 65 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 220 PreInvPairs, 243 NumberOfFragments, 618 HoareAnnotationTreeSize, 220 FomulaSimplifications, 4344 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 65 FomulaSimplificationsInter, 5378 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 46975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...