/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:05:04,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:05:04,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:05:04,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:05:04,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:05:04,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:05:04,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:05:04,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:05:04,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:05:04,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:05:04,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:05:04,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:05:04,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:05:04,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:05:04,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:05:04,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:05:04,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:05:04,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:05:04,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:05:04,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:05:04,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:05:04,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:05:04,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:05:04,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:05:04,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:05:04,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:05:04,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:05:04,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:05:04,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:05:04,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:05:04,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:05:04,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:05:04,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:05:04,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:05:04,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:05:04,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:05:04,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:05:04,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:05:04,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:05:04,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:05:04,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:05:04,819 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 [2020-08-18 20:05:04,840 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:05:04,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:05:04,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:05:04,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:05:04,842 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:05:04,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:05:04,843 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:05:04,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:05:04,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:05:04,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:05:04,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:05:04,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:05:04,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:05:04,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:05:04,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:05:04,845 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:05:04,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:05:04,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:05:04,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:05:04,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:05:04,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:05:04,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:05:04,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:05:04,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:05:04,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:05:04,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:05:04,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:05:04,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:05:04,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:05:04,847 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=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:05:05,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:05:05,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:05:05,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:05:05,152 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:05:05,153 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:05:05,154 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-08-18 20:05:05,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c0f4477b5/a92ef399c53c4d869146be36812e2f31/FLAGccce26897 [2020-08-18 20:05:05,748 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:05:05,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-08-18 20:05:05,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c0f4477b5/a92ef399c53c4d869146be36812e2f31/FLAGccce26897 [2020-08-18 20:05:06,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c0f4477b5/a92ef399c53c4d869146be36812e2f31 [2020-08-18 20:05:06,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:05:06,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:05:06,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:05:06,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:05:06,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:05:06,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea4523a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06, skipping insertion in model container [2020-08-18 20:05:06,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:05:06,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:05:06,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:05:06,558 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:05:06,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:05:06,684 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:05:06,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06 WrapperNode [2020-08-18 20:05:06,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:05:06,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:05:06,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:05:06,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:05:06,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (1/1) ... [2020-08-18 20:05:06,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:05:06,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:05:06,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:05:06,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:05:06,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (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 [2020-08-18 20:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:05:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:05:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:05:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:05:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:05:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:05:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:05:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:05:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:05:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:05:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:05:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:05:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:05:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:05:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:05:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:05:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:05:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:05:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:05:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:05:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:05:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:05:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:05:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:05:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 20:05:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 20:05:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:05:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:05:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:05:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:05:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:05:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:05:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:05:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 20:05:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 20:05:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:05:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:05:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:05:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:05:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:05:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:05:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:05:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:05:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:05:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:05:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:05:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:05:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:05:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:05:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:05:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:05:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:05:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:05:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:05:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:05:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:05:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:05:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:05:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:05:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:05:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:05:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:05:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:05:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:05:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:05:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:05:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 20:05:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:05:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:05:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:05:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 20:05:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 20:05:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:05:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:05:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:05:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:05:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:05:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:05:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 20:05:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:05:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:05:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:05:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:05:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:05:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:05:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:05:08,107 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:05:08,108 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:05:08,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:05:08 BoogieIcfgContainer [2020-08-18 20:05:08,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:05:08,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:05:08,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:05:08,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:05:08,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:05:06" (1/3) ... [2020-08-18 20:05:08,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c531605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:05:08, skipping insertion in model container [2020-08-18 20:05:08,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:06" (2/3) ... [2020-08-18 20:05:08,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c531605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:05:08, skipping insertion in model container [2020-08-18 20:05:08,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:05:08" (3/3) ... [2020-08-18 20:05:08,130 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-08-18 20:05:08,140 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:05:08,149 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:05:08,163 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:05:08,189 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:05:08,190 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:05:08,190 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:05:08,190 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:05:08,190 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:05:08,191 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:05:08,191 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:05:08,191 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:05:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-08-18 20:05:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 20:05:08,222 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:08,222 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] [2020-08-18 20:05:08,223 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:08,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:08,228 INFO L82 PathProgramCache]: Analyzing trace with hash 972892505, now seen corresponding path program 1 times [2020-08-18 20:05:08,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:08,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588804648] [2020-08-18 20:05:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,014 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:05:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:05:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:05:09,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588804648] [2020-08-18 20:05:09,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:09,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:05:09,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580242760] [2020-08-18 20:05:09,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:05:09,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:09,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:05:09,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:05:09,191 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 4 states. [2020-08-18 20:05:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:10,267 INFO L93 Difference]: Finished difference Result 229 states and 304 transitions. [2020-08-18 20:05:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 20:05:10,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 20:05:10,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:10,292 INFO L225 Difference]: With dead ends: 229 [2020-08-18 20:05:10,292 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 20:05:10,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:05:10,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 20:05:10,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 99. [2020-08-18 20:05:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 20:05:10,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-08-18 20:05:10,442 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 51 [2020-08-18 20:05:10,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:10,443 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-08-18 20:05:10,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:05:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-08-18 20:05:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 20:05:10,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:10,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:05:10,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:05:10,451 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1607408945, now seen corresponding path program 1 times [2020-08-18 20:05:10,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:10,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660801244] [2020-08-18 20:05:10,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,844 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:05:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:05:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:05:10,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660801244] [2020-08-18 20:05:10,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:10,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 20:05:10,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500862462] [2020-08-18 20:05:10,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:05:10,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:10,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:05:10,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:05:10,905 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 5 states. [2020-08-18 20:05:11,369 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:05:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:11,993 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2020-08-18 20:05:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:05:11,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 20:05:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:11,996 INFO L225 Difference]: With dead ends: 161 [2020-08-18 20:05:11,996 INFO L226 Difference]: Without dead ends: 121 [2020-08-18 20:05:11,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:05:11,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-18 20:05:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 90. [2020-08-18 20:05:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-18 20:05:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2020-08-18 20:05:12,028 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 52 [2020-08-18 20:05:12,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:12,028 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2020-08-18 20:05:12,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:05:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2020-08-18 20:05:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 20:05:12,030 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:12,031 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] [2020-08-18 20:05:12,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:05:12,031 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:12,031 INFO L82 PathProgramCache]: Analyzing trace with hash -712810545, now seen corresponding path program 1 times [2020-08-18 20:05:12,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:12,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543017743] [2020-08-18 20:05:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,350 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:05:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 20:05:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:05:12,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543017743] [2020-08-18 20:05:12,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:12,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:05:12,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392049903] [2020-08-18 20:05:12,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:05:12,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:12,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:05:12,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:05:12,454 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 9 states. [2020-08-18 20:05:12,877 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:13,204 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:13,467 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:13,720 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:14,522 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:05:15,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:15,724 INFO L93 Difference]: Finished difference Result 314 states and 397 transitions. [2020-08-18 20:05:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 20:05:15,725 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 20:05:15,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:15,729 INFO L225 Difference]: With dead ends: 314 [2020-08-18 20:05:15,729 INFO L226 Difference]: Without dead ends: 252 [2020-08-18 20:05:15,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 20:05:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-08-18 20:05:15,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 179. [2020-08-18 20:05:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-08-18 20:05:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 214 transitions. [2020-08-18 20:05:15,786 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 214 transitions. Word has length 57 [2020-08-18 20:05:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:15,787 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 214 transitions. [2020-08-18 20:05:15,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:05:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2020-08-18 20:05:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 20:05:15,790 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:15,790 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] [2020-08-18 20:05:15,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:05:15,790 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:15,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:15,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1899205419, now seen corresponding path program 1 times [2020-08-18 20:05:15,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:15,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170154845] [2020-08-18 20:05:15,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,097 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:16,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:05:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 20:05:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 20:05:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:05:16,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170154845] [2020-08-18 20:05:16,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:16,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:05:16,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861119174] [2020-08-18 20:05:16,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:05:16,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:16,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:05:16,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:05:16,179 INFO L87 Difference]: Start difference. First operand 179 states and 214 transitions. Second operand 8 states. [2020-08-18 20:05:16,565 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:17,616 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:17,926 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:18,179 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:18,410 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:18,780 INFO L93 Difference]: Finished difference Result 536 states and 699 transitions. [2020-08-18 20:05:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 20:05:18,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-18 20:05:18,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:18,786 INFO L225 Difference]: With dead ends: 536 [2020-08-18 20:05:18,786 INFO L226 Difference]: Without dead ends: 385 [2020-08-18 20:05:18,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-18 20:05:18,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-08-18 20:05:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 306. [2020-08-18 20:05:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-08-18 20:05:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2020-08-18 20:05:18,874 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 60 [2020-08-18 20:05:18,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:18,875 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2020-08-18 20:05:18,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:05:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2020-08-18 20:05:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 20:05:18,877 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:18,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:05:18,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:05:18,878 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:18,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1357836985, now seen corresponding path program 1 times [2020-08-18 20:05:18,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:18,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302607688] [2020-08-18 20:05:18,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,206 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:19,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 20:05:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:05:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 20:05:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 20:05:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:05:19,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302607688] [2020-08-18 20:05:19,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:19,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:05:19,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446429963] [2020-08-18 20:05:19,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:05:19,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:19,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:05:19,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:05:19,322 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand 9 states. [2020-08-18 20:05:19,706 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:20,657 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:20,931 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:21,184 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:21,468 INFO L93 Difference]: Finished difference Result 633 states and 830 transitions. [2020-08-18 20:05:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 20:05:21,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-18 20:05:21,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:21,469 INFO L225 Difference]: With dead ends: 633 [2020-08-18 20:05:21,469 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:05:21,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-18 20:05:21,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:05:21,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:05:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:05:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:05:21,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-08-18 20:05:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:21,473 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:05:21,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:05:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:05:21,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:05:21,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:05:21,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:05:21,595 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-08-18 20:05:24,780 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 20:05:24,948 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:05:25,118 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 20:05:25,424 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:05:25,634 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:05:25,827 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:05:26,001 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 20:05:26,182 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:05:26,487 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-18 20:05:26,702 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:26,865 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:05:27,240 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-18 20:05:27,548 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-18 20:05:28,015 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-08-18 20:05:28,160 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:05:28,470 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 20:05:28,624 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 20:05:28,786 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:05:28,977 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:05:29,295 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:05:29,587 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-18 20:05:29,905 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:05:30,215 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 20:05:30,228 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:05:30,228 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:05:30,228 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 20:05:30,229 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 20:05:30,229 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:05:30,229 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 20:05:30,229 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:05:30,230 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 20:05:30,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:05:30,231 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 20:05:30,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:05:30,231 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 20:05:30,231 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-08-18 20:05:30,231 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-08-18 20:05:30,231 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-08-18 20:05:30,232 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-08-18 20:05:30,232 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-08-18 20:05:30,232 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,232 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-08-18 20:05:30,232 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:05:30,233 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:05:30,233 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-08-18 20:05:30,233 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-08-18 20:05:30,233 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 20:05:30,233 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,233 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,234 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 20:05:30,234 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 20:05:30,235 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-18 20:05:30,236 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 20:05:30,236 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 20:05:30,236 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:05:30,236 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 731 745) no Hoare annotation was computed. [2020-08-18 20:05:30,236 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-08-18 20:05:30,236 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 731 745) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 731 745) no Hoare annotation was computed. [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2020-08-18 20:05:30,237 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 686 694) the Hoare annotation is: true [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 686 694) no Hoare annotation was computed. [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point L702(lines 702 710) no Hoare annotation was computed. [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 710) no Hoare annotation was computed. [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-18 20:05:30,237 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 695 730) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L268 CegarLoopResult]: For program point L714(lines 714 722) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L268 CegarLoopResult]: For program point L714-2(lines 714 722) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 695 730) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 695 730) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-08-18 20:05:30,238 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:05:30,239 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:05:30,240 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:05:30,240 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,240 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-08-18 20:05:30,240 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-08-18 20:05:30,240 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:05:30,240 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 675 685) no Hoare annotation was computed. [2020-08-18 20:05:30,240 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2020-08-18 20:05:30,241 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-08-18 20:05:30,241 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-08-18 20:05:30,241 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 675 685) no Hoare annotation was computed. [2020-08-18 20:05:30,241 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 667 674) the Hoare annotation is: true [2020-08-18 20:05:30,241 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 667 674) no Hoare annotation was computed. [2020-08-18 20:05:30,241 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 667 674) no Hoare annotation was computed. [2020-08-18 20:05:30,241 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 652 658) no Hoare annotation was computed. [2020-08-18 20:05:30,242 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 652 658) the Hoare annotation is: true [2020-08-18 20:05:30,242 INFO L264 CegarLoopResult]: At program point L609(lines 558 610) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,242 INFO L264 CegarLoopResult]: At program point testENTRY(lines 549 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:05:30,242 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:05:30,242 INFO L268 CegarLoopResult]: For program point testFINAL(lines 549 616) no Hoare annotation was computed. [2020-08-18 20:05:30,242 INFO L268 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-08-18 20:05:30,242 INFO L264 CegarLoopResult]: At program point L597-1(lines 589 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:05:30,243 INFO L268 CegarLoopResult]: For program point L560(lines 559 608) no Hoare annotation was computed. [2020-08-18 20:05:30,243 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:05:30,243 INFO L268 CegarLoopResult]: For program point L589(lines 589 604) no Hoare annotation was computed. [2020-08-18 20:05:30,243 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:05:30,243 INFO L268 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-08-18 20:05:30,243 INFO L268 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-08-18 20:05:30,243 INFO L264 CegarLoopResult]: At program point L606(lines 559 608) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:05:30,244 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:05:30,244 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-08-18 20:05:30,244 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-08-18 20:05:30,244 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-08-18 20:05:30,244 INFO L268 CegarLoopResult]: For program point testEXIT(lines 549 616) no Hoare annotation was computed. [2020-08-18 20:05:30,244 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:05:30,244 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-08-18 20:05:30,245 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-08-18 20:05:30,246 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:05:30,246 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-08-18 20:05:30,246 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 854 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:05:30,246 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 20:05:30,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 854 882) no Hoare annotation was computed. [2020-08-18 20:05:30,246 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-08-18 20:05:30,246 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-08-18 20:05:30,246 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 846 853) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:05:30,246 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 846 853) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 846 853) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 812 834) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 812 834) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 812 834) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 20:05:30,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:05:30,248 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-08-18 20:05:30,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,250 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~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~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:05:30,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,250 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 659 666) no Hoare annotation was computed. [2020-08-18 20:05:30,250 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 659 666) no Hoare annotation was computed. [2020-08-18 20:05:30,250 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 659 666) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 835 843) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 835 843) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 835 843) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 791 802) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2020-08-18 20:05:30,251 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 791 802) no Hoare annotation was computed. [2020-08-18 20:05:30,252 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:05:30,252 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-08-18 20:05:30,252 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 20:05:30,252 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-08-18 20:05:30,252 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:05:30,252 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-08-18 20:05:30,252 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-08-18 20:05:30,252 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-08-18 20:05:30,253 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-08-18 20:05:30,253 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-08-18 20:05:30,253 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 20:05:30,253 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-08-18 20:05:30,253 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-08-18 20:05:30,253 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 20:05:30,253 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-08-18 20:05:30,253 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-08-18 20:05:30,254 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-08-18 20:05:30,254 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 803 811) the Hoare annotation is: true [2020-08-18 20:05:30,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 803 811) no Hoare annotation was computed. [2020-08-18 20:05:30,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 803 811) no Hoare annotation was computed. [2020-08-18 20:05:30,254 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 767 778) the Hoare annotation is: true [2020-08-18 20:05:30,254 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 767 778) no Hoare annotation was computed. [2020-08-18 20:05:30,254 INFO L268 CegarLoopResult]: For program point L771-1(lines 767 778) no Hoare annotation was computed. [2020-08-18 20:05:30,254 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-08-18 20:05:30,255 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-08-18 20:05:30,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,255 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 20:05:30,255 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:05:30,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:05:30,255 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 746 753) no Hoare annotation was computed. [2020-08-18 20:05:30,255 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 746 753) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:05:30,256 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 746 753) no Hoare annotation was computed. [2020-08-18 20:05:30,256 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 779 790) no Hoare annotation was computed. [2020-08-18 20:05:30,256 INFO L268 CegarLoopResult]: For program point L783-1(lines 779 790) no Hoare annotation was computed. [2020-08-18 20:05:30,256 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 779 790) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:05:30,256 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-18 20:05:30,256 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-08-18 20:05:30,256 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 755 762) the Hoare annotation is: true [2020-08-18 20:05:30,257 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-18 20:05:30,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:05:30 BoogieIcfgContainer [2020-08-18 20:05:30,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:05:30,277 INFO L168 Benchmark]: Toolchain (without parser) took 24230.04 ms. Allocated memory was 147.3 MB in the beginning and 607.6 MB in the end (delta: 460.3 MB). Free memory was 100.8 MB in the beginning and 431.6 MB in the end (delta: -330.8 MB). Peak memory consumption was 477.0 MB. Max. memory is 7.1 GB. [2020-08-18 20:05:30,278 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:05:30,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.90 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 100.6 MB in the beginning and 173.2 MB in the end (delta: -72.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:05:30,280 INFO L168 Benchmark]: Boogie Preprocessor took 128.08 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 20:05:30,281 INFO L168 Benchmark]: RCFGBuilder took 1302.65 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.2 MB in the beginning and 201.7 MB in the end (delta: -32.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:05:30,282 INFO L168 Benchmark]: TraceAbstraction took 22152.60 ms. Allocated memory was 236.5 MB in the beginning and 607.6 MB in the end (delta: 371.2 MB). Free memory was 200.2 MB in the beginning and 431.6 MB in the end (delta: -231.4 MB). Peak memory consumption was 487.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:05:30,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.90 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 100.6 MB in the beginning and 173.2 MB in the end (delta: -72.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.08 ms. Allocated memory is still 203.9 MB. Free memory was 173.2 MB in the beginning and 169.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1302.65 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.2 MB in the beginning and 201.7 MB in the end (delta: -32.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22152.60 ms. Allocated memory was 236.5 MB in the beginning and 607.6 MB in the end (delta: 371.2 MB). Free memory was 200.2 MB in the beginning and 431.6 MB in the end (delta: -231.4 MB). Peak memory consumption was 487.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 715 SDslu, 488 SDs, 0 SdLazy, 1888 SolverSat, 550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred 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, 215 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 363 PreInvPairs, 454 NumberOfFragments, 745 HoareAnnotationTreeSize, 363 FomulaSimplifications, 187359 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 15090 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 81357 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...