/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:19:03,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:19:03,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:19:03,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:19:03,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:19:03,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:19:03,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:19:03,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:19:03,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:19:03,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:19:03,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:19:03,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:19:03,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:19:03,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:19:03,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:19:03,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:19:03,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:19:03,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:19:03,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:19:03,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:19:03,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:19:03,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:19:03,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:19:03,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:19:03,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:19:03,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:19:03,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:19:03,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:19:03,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:19:03,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:19:03,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:19:03,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:19:03,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:19:03,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:19:03,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:19:03,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:19:03,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:19:03,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:19:03,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:19:03,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:19:03,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:19:03,810 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 [2020-08-21 20:19:03,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:19:03,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:19:03,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:19:03,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:19:03,835 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:19:03,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:19:03,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:19:03,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:19:03,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:19:03,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:19:03,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:19:03,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:19:03,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:19:03,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:19:03,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:19:03,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:19:03,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:19:03,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:19:03,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:19:03,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:19:03,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:19:03,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:19:03,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:19:03,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:19:03,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:19:03,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:19:03,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:19:03,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:19:03,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:19:03,840 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 -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:19:04,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:19:04,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:19:04,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:19:04,156 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:19:04,157 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:19:04,158 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-08-21 20:19:04,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06cc1d119/b3561a65e14546aa8c2d0063aff29739/FLAGef90df643 [2020-08-21 20:19:04,762 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:19:04,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-08-21 20:19:04,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06cc1d119/b3561a65e14546aa8c2d0063aff29739/FLAGef90df643 [2020-08-21 20:19:05,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06cc1d119/b3561a65e14546aa8c2d0063aff29739 [2020-08-21 20:19:05,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:19:05,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:19:05,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:19:05,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:19:05,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:19:05,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17979b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05, skipping insertion in model container [2020-08-21 20:19:05,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:19:05,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:19:05,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:19:05,617 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:19:05,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:19:05,745 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:19:05,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05 WrapperNode [2020-08-21 20:19:05,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:19:05,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:19:05,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:19:05,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:19:05,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (1/1) ... [2020-08-21 20:19:05,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:19:05,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:19:05,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:19:05,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:19:05,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (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 [2020-08-21 20:19:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:19:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:19:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 20:19:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 20:19:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 20:19:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 20:19:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 20:19:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:19:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 20:19:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 20:19:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 20:19:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 20:19:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 20:19:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 20:19:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 20:19:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 20:19:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 20:19:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 20:19:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 20:19:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 20:19:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 20:19:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 20:19:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 20:19:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 20:19:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 20:19:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 20:19:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 20:19:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 20:19:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 20:19:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 20:19:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:19:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:19:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 20:19:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 20:19:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 20:19:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 20:19:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 20:19:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 20:19:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 20:19:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 20:19:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 20:19:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 20:19:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 20:19:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 20:19:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 20:19:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 20:19:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 20:19:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 20:19:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 20:19:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 20:19:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 20:19:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 20:19:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 20:19:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 20:19:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 20:19:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 20:19:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 20:19:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 20:19:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:19:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 20:19:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:19:07,039 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:19:07,040 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 20:19:07,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:19:07 BoogieIcfgContainer [2020-08-21 20:19:07,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:19:07,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:19:07,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:19:07,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:19:07,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:19:05" (1/3) ... [2020-08-21 20:19:07,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae7466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:19:07, skipping insertion in model container [2020-08-21 20:19:07,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:19:05" (2/3) ... [2020-08-21 20:19:07,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae7466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:19:07, skipping insertion in model container [2020-08-21 20:19:07,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:19:07" (3/3) ... [2020-08-21 20:19:07,054 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-08-21 20:19:07,065 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:19:07,074 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:19:07,094 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:19:07,123 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:19:07,124 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:19:07,124 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:19:07,124 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:19:07,125 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:19:07,125 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:19:07,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:19:07,125 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:19:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-08-21 20:19:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 20:19:07,160 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:19:07,161 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] [2020-08-21 20:19:07,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:19:07,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:19:07,168 INFO L82 PathProgramCache]: Analyzing trace with hash -697118378, now seen corresponding path program 1 times [2020-08-21 20:19:07,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:19:07,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122450092] [2020-08-21 20:19:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:19:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,832 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:19:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:19:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:19:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:19:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:19:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:19:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 20:19:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 20:19:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:19:07,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122450092] [2020-08-21 20:19:07,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:19:07,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 20:19:07,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387297235] [2020-08-21 20:19:08,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 20:19:08,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:19:08,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 20:19:08,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:19:08,031 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2020-08-21 20:19:09,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:19:09,072 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-08-21 20:19:09,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 20:19:09,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 20:19:09,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:19:09,089 INFO L225 Difference]: With dead ends: 247 [2020-08-21 20:19:09,090 INFO L226 Difference]: Without dead ends: 134 [2020-08-21 20:19:09,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:19:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-21 20:19:09,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-21 20:19:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-21 20:19:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-08-21 20:19:09,185 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-08-21 20:19:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:19:09,186 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-08-21 20:19:09,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 20:19:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-08-21 20:19:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 20:19:09,190 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:19:09,190 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] [2020-08-21 20:19:09,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:19:09,191 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:19:09,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:19:09,191 INFO L82 PathProgramCache]: Analyzing trace with hash -133554589, now seen corresponding path program 1 times [2020-08-21 20:19:09,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:19:09,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151053339] [2020-08-21 20:19:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:19:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,572 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:19:09,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:19:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:19:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:19:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:19:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:19:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 20:19:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:19:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:19:09,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151053339] [2020-08-21 20:19:09,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:19:09,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:19:09,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872998463] [2020-08-21 20:19:09,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:19:09,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:19:09,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:19:09,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:19:09,620 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-08-21 20:19:10,060 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:19:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:19:10,742 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-08-21 20:19:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:19:10,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 20:19:10,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:19:10,745 INFO L225 Difference]: With dead ends: 180 [2020-08-21 20:19:10,746 INFO L226 Difference]: Without dead ends: 118 [2020-08-21 20:19:10,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:19:10,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-21 20:19:10,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-21 20:19:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-21 20:19:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-21 20:19:10,786 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-08-21 20:19:10,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:19:10,786 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-21 20:19:10,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:19:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-21 20:19:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 20:19:10,788 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:19:10,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:19:10,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:19:10,789 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:19:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:19:10,790 INFO L82 PathProgramCache]: Analyzing trace with hash 70814948, now seen corresponding path program 1 times [2020-08-21 20:19:10,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:19:10,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551266392] [2020-08-21 20:19:10,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:19:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,104 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:19:11,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:19:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:19:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:19:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:19:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:19:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:19:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:19:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:19:11,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551266392] [2020-08-21 20:19:11,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:19:11,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:19:11,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222020716] [2020-08-21 20:19:11,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:19:11,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:19:11,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:19:11,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:19:11,211 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2020-08-21 20:19:11,590 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:19:11,908 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:12,167 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:12,422 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:13,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:19:13,340 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-08-21 20:19:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:19:13,343 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 20:19:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:19:13,345 INFO L225 Difference]: With dead ends: 189 [2020-08-21 20:19:13,345 INFO L226 Difference]: Without dead ends: 118 [2020-08-21 20:19:13,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:19:13,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-21 20:19:13,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-21 20:19:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-21 20:19:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-08-21 20:19:13,405 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-08-21 20:19:13,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:19:13,405 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-08-21 20:19:13,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:19:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-08-21 20:19:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 20:19:13,415 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:19:13,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:19:13,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:19:13,416 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:19:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:19:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1870012479, now seen corresponding path program 1 times [2020-08-21 20:19:13,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:19:13,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637222787] [2020-08-21 20:19:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:19:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,779 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:19:13,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:19:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:19:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:19:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:19:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:19:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 20:19:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:19:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 20:19:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 20:19:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:19:13,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637222787] [2020-08-21 20:19:13,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:19:13,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:19:13,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779139405] [2020-08-21 20:19:13,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:19:13,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:19:13,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:19:13,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:19:13,856 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-08-21 20:19:14,237 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:19:15,225 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:15,532 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:15,769 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:16,030 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:19:16,377 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:19:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:19:17,001 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-08-21 20:19:17,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:19:17,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-21 20:19:17,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:19:17,008 INFO L225 Difference]: With dead ends: 294 [2020-08-21 20:19:17,008 INFO L226 Difference]: Without dead ends: 223 [2020-08-21 20:19:17,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 20:19:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-08-21 20:19:17,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 157. [2020-08-21 20:19:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-08-21 20:19:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-08-21 20:19:17,056 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-08-21 20:19:17,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:19:17,056 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-08-21 20:19:17,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:19:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-08-21 20:19:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 20:19:17,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:19:17,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:19:17,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:19:17,059 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:19:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:19:17,059 INFO L82 PathProgramCache]: Analyzing trace with hash 654505667, now seen corresponding path program 1 times [2020-08-21 20:19:17,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:19:17,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134594296] [2020-08-21 20:19:17,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:19:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,348 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:19:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:19:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:19:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:19:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:19:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:19:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 20:19:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:19:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:19:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 20:19:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 20:19:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:19:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:19:17,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134594296] [2020-08-21 20:19:17,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:19:17,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 20:19:17,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821885222] [2020-08-21 20:19:17,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:19:17,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:19:17,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:19:17,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:19:17,495 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 9 states. [2020-08-21 20:19:17,841 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:19:18,588 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:18,837 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:19,068 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:19:19,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:19:19,225 INFO L93 Difference]: Finished difference Result 273 states and 338 transitions. [2020-08-21 20:19:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 20:19:19,230 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-21 20:19:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:19:19,231 INFO L225 Difference]: With dead ends: 273 [2020-08-21 20:19:19,231 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:19:19,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-21 20:19:19,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:19:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:19:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:19:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:19:19,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-21 20:19:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:19:19,234 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:19:19,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:19:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:19:19,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:19:19,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:19:19,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:19:21,060 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 20:19:21,392 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 20:19:21,565 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:19:21,721 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 20:19:21,959 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:19:22,143 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-21 20:19:22,452 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 20:19:22,651 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-21 20:19:22,947 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 20:19:23,268 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 20:19:23,610 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 20:19:23,768 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:19:23,958 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:19:24,121 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:19:24,301 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:19:24,463 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 20:19:24,774 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 20:19:24,938 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 20:19:25,134 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 20:19:25,346 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 20:19:25,351 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-08-21 20:19:25,351 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-08-21 20:19:25,351 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-08-21 20:19:25,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-08-21 20:19:25,352 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-08-21 20:19:25,352 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-08-21 20:19:25,352 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-08-21 20:19:25,352 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-08-21 20:19:25,352 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-08-21 20:19:25,353 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-08-21 20:19:25,354 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-08-21 20:19:25,354 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2020-08-21 20:19:25,354 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2020-08-21 20:19:25,354 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2020-08-21 20:19:25,354 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2020-08-21 20:19:25,354 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2020-08-21 20:19:25,355 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 20:19:25,355 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-08-21 20:19:25,355 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:19:25,355 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:19:25,355 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-08-21 20:19:25,355 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-08-21 20:19:25,356 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-08-21 20:19:25,356 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 20:19:25,356 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 20:19:25,356 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 20:19:25,356 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 20:19:25,356 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-08-21 20:19:25,357 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 20:19:25,358 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-08-21 20:19:25,359 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 20:19:25,359 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2020-08-21 20:19:25,359 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2020-08-21 20:19:25,359 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2020-08-21 20:19:25,359 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2020-08-21 20:19:25,359 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L271 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: true [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 649 684) no Hoare annotation was computed. [2020-08-21 20:19:25,360 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 649 684) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 649 684) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-08-21 20:19:25,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-08-21 20:19:25,362 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 629 639) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 629 639) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 629 639) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2020-08-21 20:19:25,363 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2020-08-21 20:19:25,364 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,364 INFO L268 CegarLoopResult]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2020-08-21 20:19:25,364 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,364 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2020-08-21 20:19:25,364 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,364 INFO L268 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-08-21 20:19:25,364 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,365 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,365 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-08-21 20:19:25,365 INFO L268 CegarLoopResult]: For program point L592(lines 592 609) no Hoare annotation was computed. [2020-08-21 20:19:25,365 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2020-08-21 20:19:25,365 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2020-08-21 20:19:25,365 INFO L264 CegarLoopResult]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 20:19:25,365 INFO L268 CegarLoopResult]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2020-08-21 20:19:25,366 INFO L264 CegarLoopResult]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:19:25,366 INFO L268 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2020-08-21 20:19:25,366 INFO L264 CegarLoopResult]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 20:19:25,366 INFO L268 CegarLoopResult]: For program point L806(lines 805 850) no Hoare annotation was computed. [2020-08-21 20:19:25,366 INFO L268 CegarLoopResult]: For program point L835(lines 835 846) no Hoare annotation was computed. [2020-08-21 20:19:25,366 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 20:19:25,366 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-08-21 20:19:25,366 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 20:19:25,367 INFO L264 CegarLoopResult]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-08-21 20:19:25,367 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 753 775) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 753 775) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 753 775) no Hoare annotation was computed. [2020-08-21 20:19:25,368 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-08-21 20:19:25,369 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2020-08-21 20:19:25,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 613 620) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 613 620) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 613 620) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 776 784) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 776 784) no Hoare annotation was computed. [2020-08-21 20:19:25,371 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 776 784) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2020-08-21 20:19:25,372 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,373 INFO L264 CegarLoopResult]: At program point L567(lines 567 573) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,373 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,373 INFO L268 CegarLoopResult]: For program point L560(lines 559 578) no Hoare annotation was computed. [2020-08-21 20:19:25,373 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:19:25,373 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2020-08-21 20:19:25,373 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2020-08-21 20:19:25,373 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 20:19:25,373 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-08-21 20:19:25,373 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-08-21 20:19:25,374 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-08-21 20:19:25,374 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-08-21 20:19:25,374 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-08-21 20:19:25,374 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-08-21 20:19:25,374 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 20:19:25,374 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-08-21 20:19:25,374 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-08-21 20:19:25,374 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2020-08-21 20:19:25,375 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2020-08-21 20:19:25,375 INFO L268 CegarLoopResult]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2020-08-21 20:19:25,375 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-08-21 20:19:25,375 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-08-21 20:19:25,375 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,375 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 20:19:25,376 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:19:25,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:19:25,376 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2020-08-21 20:19:25,376 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:19:25,376 INFO L268 CegarLoopResult]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2020-08-21 20:19:25,376 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-08-21 20:19:25,377 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-08-21 20:19:25,377 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-08-21 20:19:25,377 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-08-21 20:19:25,377 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-08-21 20:19:25,377 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:19:25,377 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-08-21 20:19:25,378 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-08-21 20:19:25,378 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:19:25,378 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-08-21 20:19:25,378 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-08-21 20:19:25,378 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-08-21 20:19:25,378 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-08-21 20:19:25,379 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-08-21 20:19:25,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:19:25 BoogieIcfgContainer [2020-08-21 20:19:25,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:19:25,407 INFO L168 Benchmark]: Toolchain (without parser) took 20376.12 ms. Allocated memory was 139.5 MB in the beginning and 552.1 MB in the end (delta: 412.6 MB). Free memory was 102.1 MB in the beginning and 516.2 MB in the end (delta: -414.0 MB). Peak memory consumption was 432.8 MB. Max. memory is 7.1 GB. [2020-08-21 20:19:25,407 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 20:19:25,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.19 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 172.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:19:25,409 INFO L168 Benchmark]: Boogie Preprocessor took 85.25 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 169.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-08-21 20:19:25,410 INFO L168 Benchmark]: RCFGBuilder took 1213.10 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 201.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-08-21 20:19:25,411 INFO L168 Benchmark]: TraceAbstraction took 18357.90 ms. Allocated memory was 235.4 MB in the beginning and 552.1 MB in the end (delta: 316.7 MB). Free memory was 201.7 MB in the beginning and 516.2 MB in the end (delta: -314.5 MB). Peak memory consumption was 436.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:19:25,415 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.19 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 172.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.25 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 169.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1213.10 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 201.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18357.90 ms. Allocated memory was 235.4 MB in the beginning and 552.1 MB in the end (delta: 316.7 MB). Free memory was 201.7 MB in the beginning and 516.2 MB in the end (delta: -314.5 MB). Peak memory consumption was 436.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 601 SDslu, 263 SDs, 0 SdLazy, 1508 SolverSat, 355 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 652 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 74058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...