/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:13,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:13,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:13,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:13,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:13,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:13,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:13,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:13,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:13,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:13,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:13,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:13,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:13,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:13,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:13,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:13,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:13,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:13,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:13,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:13,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:13,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:13,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:13,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:13,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:13,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:13,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:13,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:13,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:13,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:13,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:13,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:13,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:13,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:14,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:14,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:14,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:14,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:14,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:14,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:14,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:14,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:05:14,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:14,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:14,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:14,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:14,034 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:14,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:14,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:14,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:14,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:14,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:14,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:14,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:14,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:14,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:14,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:14,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:14,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:14,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:14,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:14,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:14,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:14,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:14,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:14,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:14,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:14,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:14,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:14,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:14,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:14,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:14,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:14,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:14,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:14,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:14,768 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:14,771 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-09-21 12:05:14,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f97637670/3e9fda2ba99f4b4293eab1266df565e8/FLAGce78dca4e [2020-09-21 12:05:15,533 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:15,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-09-21 12:05:15,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f97637670/3e9fda2ba99f4b4293eab1266df565e8/FLAGce78dca4e [2020-09-21 12:05:15,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f97637670/3e9fda2ba99f4b4293eab1266df565e8 [2020-09-21 12:05:15,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:15,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:15,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:15,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:15,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:15,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:15" (1/1) ... [2020-09-21 12:05:15,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:15, skipping insertion in model container [2020-09-21 12:05:15,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:15" (1/1) ... [2020-09-21 12:05:15,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:15,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:16,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:16,413 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:16,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:16,533 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:16,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16 WrapperNode [2020-09-21 12:05:16,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:16,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:16,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:16,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:16,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:16,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:16,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:16,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:16,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:05:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:05:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:17,800 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:17,801 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:17,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:17 BoogieIcfgContainer [2020-09-21 12:05:17,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:17,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:17,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:17,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:17,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:15" (1/3) ... [2020-09-21 12:05:17,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3b6c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:17, skipping insertion in model container [2020-09-21 12:05:17,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16" (2/3) ... [2020-09-21 12:05:17,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3b6c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:17, skipping insertion in model container [2020-09-21 12:05:17,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:17" (3/3) ... [2020-09-21 12:05:17,816 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2020-09-21 12:05:17,828 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:17,839 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:17,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:17,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:17,897 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:17,897 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:17,897 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:17,897 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:17,897 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:17,897 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:17,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-09-21 12:05:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:17,933 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:17,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:17,935 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:17,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:17,943 INFO L82 PathProgramCache]: Analyzing trace with hash -411226988, now seen corresponding path program 1 times [2020-09-21 12:05:17,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:17,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029518004] [2020-09-21 12:05:17,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:19,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:19,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:19,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:05:19,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:19,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:19,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:05:19,878 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:19,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 12:05:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:20,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:20,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:20,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:20,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:20,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:05:20,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:20,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:20,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:20,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:05:20,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:05:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:20,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029518004] [2020-09-21 12:05:20,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:20,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:20,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250613604] [2020-09-21 12:05:20,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:20,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:20,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:20,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:20,268 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 3 states. [2020-09-21 12:05:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:21,438 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-09-21 12:05:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:21,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:21,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:21,458 INFO L225 Difference]: With dead ends: 208 [2020-09-21 12:05:21,459 INFO L226 Difference]: Without dead ends: 114 [2020-09-21 12:05:21,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:21,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-21 12:05:21,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-09-21 12:05:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 12:05:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-09-21 12:05:21,550 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-09-21 12:05:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:21,550 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-09-21 12:05:21,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-09-21 12:05:21,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:21,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:21,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:21,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:21,555 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:21,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2028775312, now seen corresponding path program 1 times [2020-09-21 12:05:21,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:21,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454895135] [2020-09-21 12:05:21,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:23,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1424 [2020-09-21 12:05:23,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:23,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 12:05:23,556 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:23,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 12:05:23,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:23,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:23,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:23,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:23,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454895135] [2020-09-21 12:05:23,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:23,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:23,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601902098] [2020-09-21 12:05:23,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:23,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:23,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:23,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:23,858 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-09-21 12:05:24,384 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:25,117 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-09-21 12:05:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:25,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:25,127 INFO L225 Difference]: With dead ends: 137 [2020-09-21 12:05:25,127 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 12:05:25,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:25,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 12:05:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 12:05:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 12:05:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-09-21 12:05:25,203 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-09-21 12:05:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:25,204 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-09-21 12:05:25,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-09-21 12:05:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:05:25,217 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:25,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:25,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:25,218 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:25,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:25,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1248622688, now seen corresponding path program 1 times [2020-09-21 12:05:25,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:25,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798174142] [2020-09-21 12:05:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:25,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:05:26,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:26,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:05:26,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:05:26,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:05:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:05:26,667 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-21 12:05:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:26,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:26,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:05:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:26,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:26,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:05:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:26,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:26,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798174142] [2020-09-21 12:05:26,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:26,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:26,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650891091] [2020-09-21 12:05:26,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:26,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:26,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:26,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:26,963 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 4 states. [2020-09-21 12:05:27,268 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:27,773 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-09-21 12:05:27,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:27,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:05:27,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:27,776 INFO L225 Difference]: With dead ends: 150 [2020-09-21 12:05:27,776 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 12:05:27,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:27,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 12:05:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 12:05:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 12:05:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-09-21 12:05:27,830 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-09-21 12:05:27,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:27,830 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-09-21 12:05:27,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-09-21 12:05:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 12:05:27,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:27,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:27,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:05:27,832 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:27,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:27,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1945130529, now seen corresponding path program 1 times [2020-09-21 12:05:27,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:27,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591656055] [2020-09-21 12:05:27,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:27,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:28,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:28,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:28,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 12:05:28,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:28,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1115 [2020-09-21 12:05:28,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:05:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 12:05:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,392 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:29,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 12:05:29,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:29,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:05:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:05:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:29,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:05:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:05:29,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:29,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:29,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591656055] [2020-09-21 12:05:29,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:29,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:05:29,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172517294] [2020-09-21 12:05:29,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:05:29,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:29,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:05:29,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:05:29,670 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-09-21 12:05:30,078 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:31,137 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:31,460 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,707 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:31,805 INFO L93 Difference]: Finished difference Result 138 states and 167 transitions. [2020-09-21 12:05:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:05:31,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 12:05:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:31,807 INFO L225 Difference]: With dead ends: 138 [2020-09-21 12:05:31,807 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:05:31,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:05:31,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:05:31,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:05:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:05:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:05:31,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-09-21 12:05:31,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:31,810 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:05:31,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:05:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:05:31,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:05:31,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:05:31,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:05:32,004 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,176 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,457 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:32,740 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:32,916 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,079 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,255 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:05:33,422 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:05:33,581 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,789 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:05:33,945 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,099 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,257 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:05:34,503 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:34,745 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:34,893 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,044 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,193 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,334 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:35,484 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,637 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,790 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,940 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,095 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,245 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,395 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,550 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,702 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,855 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,007 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,157 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,330 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2020-09-21 12:05:37,479 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,633 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,782 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:37,931 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:38,111 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:38,326 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:38,483 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:38,706 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:38,945 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:39,197 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:39,407 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:39,610 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-21 12:05:39,873 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:40,094 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:40,298 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:40,497 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:40,733 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:41,026 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:41,227 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-21 12:05:41,233 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-09-21 12:05:41,233 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2020-09-21 12:05:41,233 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-09-21 12:05:41,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 538 593) no Hoare annotation was computed. [2020-09-21 12:05:41,233 INFO L268 CegarLoopResult]: For program point L563-2(lines 563 584) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point L585(lines 562 586) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 538 593) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 538 593) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 594 653) no Hoare annotation was computed. [2020-09-21 12:05:41,234 INFO L268 CegarLoopResult]: For program point L626(lines 626 630) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L268 CegarLoopResult]: For program point L626-1(lines 626 630) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 594 653) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 645) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 594 653) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L268 CegarLoopResult]: For program point L646(lines 619 647) no Hoare annotation was computed. [2020-09-21 12:05:41,235 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2020-09-21 12:05:41,236 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2020-09-21 12:05:41,236 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2020-09-21 12:05:41,236 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2020-09-21 12:05:41,236 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2020-09-21 12:05:41,236 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:05:41,236 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 12:05:41,236 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,237 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,237 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,237 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,237 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:05:41,237 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:05:41,238 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,238 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,238 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:05:41,238 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:05:41,238 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:05:41,238 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:05:41,238 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:05:41,239 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2020-09-21 12:05:41,240 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2020-09-21 12:05:41,240 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point L252-1(line 252) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point L241(lines 241 249) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 249) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 222 257) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 222 257) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point L229(lines 229 237) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 237) no Hoare annotation was computed. [2020-09-21 12:05:41,241 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 222 257) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 492 537) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 492 537) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 492 537) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 805 850) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-09-21 12:05:41,242 INFO L268 CegarLoopResult]: For program point L819(lines 819 839) no Hoare annotation was computed. [2020-09-21 12:05:41,243 INFO L268 CegarLoopResult]: For program point L819-1(lines 819 839) no Hoare annotation was computed. [2020-09-21 12:05:41,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 805 850) no Hoare annotation was computed. [2020-09-21 12:05:41,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 805 850) no Hoare annotation was computed. [2020-09-21 12:05:41,243 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,243 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:05:41,243 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:05:41,243 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 202 212) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 202 212) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 202 212) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 194 201) no Hoare annotation was computed. [2020-09-21 12:05:41,244 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2020-09-21 12:05:41,245 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2020-09-21 12:05:41,245 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,245 INFO L264 CegarLoopResult]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,245 INFO L268 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-09-21 12:05:41,245 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2020-09-21 12:05:41,245 INFO L268 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-09-21 12:05:41,245 INFO L268 CegarLoopResult]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2020-09-21 12:05:41,246 INFO L264 CegarLoopResult]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,246 INFO L268 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-09-21 12:05:41,246 INFO L264 CegarLoopResult]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,246 INFO L268 CegarLoopResult]: For program point L278(lines 277 324) no Hoare annotation was computed. [2020-09-21 12:05:41,246 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,246 INFO L268 CegarLoopResult]: For program point L307(lines 307 320) no Hoare annotation was computed. [2020-09-21 12:05:41,246 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L264 CegarLoopResult]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 759 804) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 759 804) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 759 804) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-09-21 12:05:41,247 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 444 466) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 444 466) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 444 466) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point L452(lines 452 460) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 460) no Hoare annotation was computed. [2020-09-21 12:05:41,248 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 362 371) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 362 371) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 362 371) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 656 758) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point L702(lines 702 743) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-09-21 12:05:41,249 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point L744(lines 744 755) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 656 758) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 725) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point L726(lines 704 727) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 656 758) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point L685(lines 685 701) no Hoare annotation was computed. [2020-09-21 12:05:41,250 INFO L268 CegarLoopResult]: For program point L745(lines 745 752) no Hoare annotation was computed. [2020-09-21 12:05:41,251 INFO L268 CegarLoopResult]: For program point L706(lines 705 725) no Hoare annotation was computed. [2020-09-21 12:05:41,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,251 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#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~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:05:41,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,251 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 186 193) no Hoare annotation was computed. [2020-09-21 12:05:41,251 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 186 193) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 186 193) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 467 475) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 467 475) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 467 475) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2020-09-21 12:05:41,252 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,253 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,253 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,253 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,253 INFO L268 CegarLoopResult]: For program point L159(lines 158 177) no Hoare annotation was computed. [2020-09-21 12:05:41,253 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:41,253 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2020-09-21 12:05:41,253 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:41,254 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2020-09-21 12:05:41,254 INFO L264 CegarLoopResult]: At program point L166(lines 166 172) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:41,254 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:05:41,254 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:05:41,254 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:05:41,254 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:05:41,254 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:05:41,254 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:05:41,255 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:05:41,255 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:05:41,255 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:05:41,255 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:05:41,255 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2020-09-21 12:05:41,255 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2020-09-21 12:05:41,255 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2020-09-21 12:05:41,255 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2020-09-21 12:05:41,255 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2020-09-21 12:05:41,256 INFO L268 CegarLoopResult]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2020-09-21 12:05:41,256 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:05:41,256 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:05:41,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,256 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:05:41,256 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:05:41,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:41,256 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2020-09-21 12:05:41,257 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 12:05:41,257 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2020-09-21 12:05:41,257 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2020-09-21 12:05:41,257 INFO L268 CegarLoopResult]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2020-09-21 12:05:41,257 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:41,257 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2020-09-21 12:05:41,257 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2020-09-21 12:05:41,257 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2020-09-21 12:05:41,257 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2020-09-21 12:05:41,258 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:41,258 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2020-09-21 12:05:41,258 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-09-21 12:05:41,258 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-09-21 12:05:41,258 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-09-21 12:05:41,258 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2020-09-21 12:05:41,258 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-09-21 12:05:41,259 INFO L268 CegarLoopResult]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2020-09-21 12:05:41,259 INFO L271 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: true [2020-09-21 12:05:41,259 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-09-21 12:05:41,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:05:41 BoogieIcfgContainer [2020-09-21 12:05:41,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:05:41,280 INFO L168 Benchmark]: Toolchain (without parser) took 25425.70 ms. Allocated memory was 138.9 MB in the beginning and 521.1 MB in the end (delta: 382.2 MB). Free memory was 100.8 MB in the beginning and 401.8 MB in the end (delta: -300.9 MB). Peak memory consumption was 397.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:41,281 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:05:41,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.69 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 171.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:41,283 INFO L168 Benchmark]: Boogie Preprocessor took 100.76 ms. Allocated memory is still 201.9 MB. Free memory was 170.7 MB in the beginning and 167.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:41,284 INFO L168 Benchmark]: RCFGBuilder took 1171.09 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 202.7 MB in the end (delta: -35.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:41,284 INFO L168 Benchmark]: TraceAbstraction took 23469.82 ms. Allocated memory was 233.3 MB in the beginning and 521.1 MB in the end (delta: 287.8 MB). Free memory was 202.7 MB in the beginning and 401.8 MB in the end (delta: -199.1 MB). Peak memory consumption was 405.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:41,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.69 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 171.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.76 ms. Allocated memory is still 201.9 MB. Free memory was 170.7 MB in the beginning and 167.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.09 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 167.3 MB in the beginning and 202.7 MB in the end (delta: -35.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23469.82 ms. Allocated memory was 233.3 MB in the beginning and 521.1 MB in the end (delta: 287.8 MB). Free memory was 202.7 MB in the beginning and 401.8 MB in the end (delta: -199.1 MB). Peak memory consumption was 405.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || (splverifierCounter <= 0 && 1 == systemActive)) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 299 SDslu, 96 SDs, 0 SdLazy, 511 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred 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, 4 MinimizatonAttempts, 73 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 125 PreInvPairs, 141 NumberOfFragments, 540 HoareAnnotationTreeSize, 125 FomulaSimplifications, 7402 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 4557 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 52688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...