/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=LOWLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 18:26:26,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 18:26:26,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 18:26:26,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 18:26:26,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 18:26:26,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 18:26:26,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 18:26:26,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 18:26:26,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 18:26:26,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 18:26:26,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 18:26:26,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 18:26:26,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 18:26:26,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 18:26:26,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 18:26:26,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 18:26:26,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 18:26:26,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 18:26:26,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 18:26:26,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 18:26:26,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 18:26:26,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 18:26:26,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 18:26:26,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 18:26:26,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 18:26:26,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 18:26:26,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 18:26:26,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 18:26:26,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 18:26:26,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 18:26:26,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 18:26:26,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 18:26:26,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 18:26:26,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 18:26:26,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 18:26:26,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 18:26:26,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 18:26:26,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 18:26:26,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 18:26:26,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 18:26:26,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 18:26:26,807 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 18:26:26,830 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 18:26:26,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 18:26:26,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 18:26:26,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 18:26:26,832 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 18:26:26,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 18:26:26,832 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 18:26:26,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 18:26:26,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 18:26:26,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 18:26:26,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 18:26:26,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 18:26:26,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 18:26:26,834 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 18:26:26,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 18:26:26,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 18:26:26,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 18:26:26,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 18:26:26,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 18:26:26,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 18:26:26,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 18:26:26,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 18:26:26,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 18:26:26,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 18:26:26,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 18:26:26,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 18:26:26,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 18:26:26,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 18:26:26,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 18:26:26,837 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=LOWLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER; [2020-08-18 18:26:27,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 18:26:27,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 18:26:27,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 18:26:27,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 18:26:27,185 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 18:26:27,186 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-08-18 18:26:27,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3041894ab/e0241657b87b4605a4d85e8f55aa13ab/FLAGce5797624 [2020-08-18 18:26:27,804 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 18:26:27,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-08-18 18:26:27,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3041894ab/e0241657b87b4605a4d85e8f55aa13ab/FLAGce5797624 [2020-08-18 18:26:28,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3041894ab/e0241657b87b4605a4d85e8f55aa13ab [2020-08-18 18:26:28,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 18:26:28,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 18:26:28,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 18:26:28,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 18:26:28,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 18:26:28,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9a5625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28, skipping insertion in model container [2020-08-18 18:26:28,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 18:26:28,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 18:26:28,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:26:28,519 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 18:26:28,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:26:28,639 INFO L208 MainTranslator]: Completed translation [2020-08-18 18:26:28,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28 WrapperNode [2020-08-18 18:26:28,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 18:26:28,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 18:26:28,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 18:26:28,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 18:26:28,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (1/1) ... [2020-08-18 18:26:28,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 18:26:28,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 18:26:28,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 18:26:28,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 18:26:28,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (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 18:26:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 18:26:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 18:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 18:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 18:26:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 18:26:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 18:26:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 18:26:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 18:26:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 18:26:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 18:26:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 18:26:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 18:26:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 18:26:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 18:26:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 18:26:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 18:26:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 18:26:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 18:26:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 18:26:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 18:26:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 18:26:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 18:26:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 18:26:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 18:26:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 18:26:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 18:26:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 18:26:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 18:26:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 18:26:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 18:26:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 18:26:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 18:26:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 18:26:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 18:26:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 18:26:29,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 18:26:29,939 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 18:26:29,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:29 BoogieIcfgContainer [2020-08-18 18:26:29,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 18:26:29,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 18:26:29,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 18:26:29,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 18:26:29,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 06:26:28" (1/3) ... [2020-08-18 18:26:29,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e73b212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:26:29, skipping insertion in model container [2020-08-18 18:26:29,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:28" (2/3) ... [2020-08-18 18:26:29,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e73b212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:26:29, skipping insertion in model container [2020-08-18 18:26:29,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:29" (3/3) ... [2020-08-18 18:26:29,967 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2020-08-18 18:26:29,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 18:26:29,986 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 18:26:30,001 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 18:26:30,028 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 18:26:30,028 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 18:26:30,028 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 18:26:30,028 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 18:26:30,029 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 18:26:30,029 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 18:26:30,029 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 18:26:30,029 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 18:26:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-08-18 18:26:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 18:26:30,063 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:30,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:30,064 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:30,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:30,071 INFO L82 PathProgramCache]: Analyzing trace with hash -411226988, now seen corresponding path program 1 times [2020-08-18 18:26:30,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:30,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522583790] [2020-08-18 18:26:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,790 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:26:30,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:26:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:26:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:26:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:26:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:26:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:30,934 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 18:26:30,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522583790] [2020-08-18 18:26:30,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:30,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 18:26:30,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981325628] [2020-08-18 18:26:30,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 18:26:30,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:30,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 18:26:30,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 18:26:30,972 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 3 states. [2020-08-18 18:26:31,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:31,858 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-08-18 18:26:31,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 18:26:31,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 18:26:31,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:31,877 INFO L225 Difference]: With dead ends: 208 [2020-08-18 18:26:31,877 INFO L226 Difference]: Without dead ends: 114 [2020-08-18 18:26:31,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 18:26:31,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-08-18 18:26:31,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-08-18 18:26:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-18 18:26:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-08-18 18:26:31,963 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-08-18 18:26:31,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:31,964 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-08-18 18:26:31,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 18:26:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-08-18 18:26:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 18:26:31,967 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:31,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:31,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 18:26:31,968 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:31,969 INFO L82 PathProgramCache]: Analyzing trace with hash -2028775312, now seen corresponding path program 1 times [2020-08-18 18:26:31,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:31,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181979227] [2020-08-18 18:26:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,337 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:26:32,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:26:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:26:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:26:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 18:26:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 18:26:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:32,384 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 18:26:32,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181979227] [2020-08-18 18:26:32,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:32,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 18:26:32,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616268412] [2020-08-18 18:26:32,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 18:26:32,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:32,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 18:26:32,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 18:26:32,388 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-08-18 18:26:32,856 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:26:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:33,341 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-08-18 18:26:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 18:26:33,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 18:26:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:33,344 INFO L225 Difference]: With dead ends: 137 [2020-08-18 18:26:33,344 INFO L226 Difference]: Without dead ends: 98 [2020-08-18 18:26:33,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 18:26:33,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-18 18:26:33,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-18 18:26:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-18 18:26:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-08-18 18:26:33,374 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-08-18 18:26:33,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:33,375 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-08-18 18:26:33,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 18:26:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-08-18 18:26:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 18:26:33,377 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:33,377 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 18:26:33,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 18:26:33,377 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:33,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:33,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1248622688, now seen corresponding path program 1 times [2020-08-18 18:26:33,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:33,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644749790] [2020-08-18 18:26:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,743 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:26:33,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:26:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:26:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:26:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:26:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 18:26:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:33,828 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 18:26:33,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644749790] [2020-08-18 18:26:33,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:33,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 18:26:33,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738790620] [2020-08-18 18:26:33,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:26:33,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:33,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:26:33,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:26:33,831 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2020-08-18 18:26:34,239 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:26:34,553 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:34,809 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:35,022 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:35,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:35,717 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-08-18 18:26:35,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 18:26:35,718 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 18:26:35,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:35,720 INFO L225 Difference]: With dead ends: 150 [2020-08-18 18:26:35,720 INFO L226 Difference]: Without dead ends: 98 [2020-08-18 18:26:35,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 18:26:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-18 18:26:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-18 18:26:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-18 18:26:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-08-18 18:26:35,752 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-08-18 18:26:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:35,753 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-08-18 18:26:35,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:26:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-08-18 18:26:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 18:26:35,755 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:35,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:35,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 18:26:35,756 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:35,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1945130529, now seen corresponding path program 1 times [2020-08-18 18:26:35,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:35,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692289081] [2020-08-18 18:26:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,055 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:26:36,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:26:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:26:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:26:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 18:26:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:26:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 18:26:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:36,163 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 18:26:36,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692289081] [2020-08-18 18:26:36,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:36,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 18:26:36,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928216234] [2020-08-18 18:26:36,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 18:26:36,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:36,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 18:26:36,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 18:26:36,166 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-08-18 18:26:36,520 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:26:37,347 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:37,589 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:37,822 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:38,076 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:26:38,335 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:26:38,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:38,653 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2020-08-18 18:26:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 18:26:38,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-18 18:26:38,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:38,658 INFO L225 Difference]: With dead ends: 204 [2020-08-18 18:26:38,658 INFO L226 Difference]: Without dead ends: 152 [2020-08-18 18:26:38,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-18 18:26:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-08-18 18:26:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2020-08-18 18:26:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 18:26:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2020-08-18 18:26:38,694 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2020-08-18 18:26:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:38,695 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2020-08-18 18:26:38,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 18:26:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2020-08-18 18:26:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 18:26:38,696 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:26:38,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:26:38,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 18:26:38,697 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:26:38,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:26:38,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1872820635, now seen corresponding path program 1 times [2020-08-18 18:26:38,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:26:38,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923143518] [2020-08-18 18:26:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:26:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:38,952 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:26:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:26:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:26:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:26:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:26:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:26:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 18:26:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 18:26:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 18:26:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 18:26:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:26:39,055 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 18:26:39,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923143518] [2020-08-18 18:26:39,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:26:39,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 18:26:39,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402195767] [2020-08-18 18:26:39,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:26:39,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:26:39,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:26:39,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:26:39,057 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2020-08-18 18:26:39,432 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:26:40,205 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:40,460 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:40,730 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:26:40,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:26:40,851 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2020-08-18 18:26:40,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:26:40,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 18:26:40,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:26:40,854 INFO L225 Difference]: With dead ends: 235 [2020-08-18 18:26:40,854 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 18:26:40,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 18:26:40,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 18:26:40,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 18:26:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 18:26:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 18:26:40,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-18 18:26:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:26:40,858 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 18:26:40,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:26:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 18:26:40,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 18:26:40,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 18:26:40,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 18:26:42,385 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 18:26:42,710 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 18:26:42,881 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 18:26:43,172 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 18:26:43,362 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 18:26:43,527 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 18:26:43,869 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 18:26:44,028 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 18:26:44,348 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-18 18:26:44,549 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:26:44,724 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 18:26:44,896 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:26:45,183 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 18:26:45,341 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:26:45,690 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 18:26:45,850 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 18:26:46,049 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 18:26:46,344 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 18:26:46,497 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 18:26:46,502 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-08-18 18:26:46,502 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2020-08-18 18:26:46,502 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-08-18 18:26:46,502 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 538 593) no Hoare annotation was computed. [2020-08-18 18:26:46,502 INFO L268 CegarLoopResult]: For program point L563-2(lines 563 584) no Hoare annotation was computed. [2020-08-18 18:26:46,502 INFO L268 CegarLoopResult]: For program point L585(lines 562 586) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 538 593) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 538 593) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 594 653) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point L626(lines 626 630) no Hoare annotation was computed. [2020-08-18 18:26:46,503 INFO L268 CegarLoopResult]: For program point L626-1(lines 626 630) no Hoare annotation was computed. [2020-08-18 18:26:46,504 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 594 653) no Hoare annotation was computed. [2020-08-18 18:26:46,504 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-08-18 18:26:46,504 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 645) no Hoare annotation was computed. [2020-08-18 18:26:46,504 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 594 653) no Hoare annotation was computed. [2020-08-18 18:26:46,504 INFO L268 CegarLoopResult]: For program point L646(lines 619 647) no Hoare annotation was computed. [2020-08-18 18:26:46,505 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2020-08-18 18:26:46,505 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2020-08-18 18:26:46,505 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2020-08-18 18:26:46,505 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2020-08-18 18:26:46,505 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2020-08-18 18:26:46,505 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 18:26:46,505 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 18:26:46,506 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,506 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,506 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,506 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,506 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 18:26:46,507 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 18:26:46,507 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))) [2020-08-18 18:26:46,507 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))) [2020-08-18 18:26:46,507 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 18:26:46,507 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 18:26:46,507 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 18:26:46,508 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2020-08-18 18:26:46,509 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point L252-1(line 252) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point L241(lines 241 249) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 249) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 222 257) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 222 257) no Hoare annotation was computed. [2020-08-18 18:26:46,510 INFO L268 CegarLoopResult]: For program point L229(lines 229 237) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 237) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 222 257) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 492 537) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 492 537) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 492 537) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 805 850) no Hoare annotation was computed. [2020-08-18 18:26:46,511 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-08-18 18:26:46,512 INFO L268 CegarLoopResult]: For program point L819(lines 819 839) no Hoare annotation was computed. [2020-08-18 18:26:46,512 INFO L268 CegarLoopResult]: For program point L819-1(lines 819 839) no Hoare annotation was computed. [2020-08-18 18:26:46,512 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 805 850) no Hoare annotation was computed. [2020-08-18 18:26:46,512 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 805 850) no Hoare annotation was computed. [2020-08-18 18:26:46,512 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,512 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 18:26:46,512 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 202 212) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 202 212) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 202 212) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2020-08-18 18:26:46,513 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 194 201) no Hoare annotation was computed. [2020-08-18 18:26:46,514 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2020-08-18 18:26:46,514 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2020-08-18 18:26:46,514 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,514 INFO L264 CegarLoopResult]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,514 INFO L268 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-08-18 18:26:46,514 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2020-08-18 18:26:46,514 INFO L268 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-08-18 18:26:46,514 INFO L268 CegarLoopResult]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2020-08-18 18:26:46,515 INFO L264 CegarLoopResult]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,515 INFO L268 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-08-18 18:26:46,515 INFO L264 CegarLoopResult]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,515 INFO L268 CegarLoopResult]: For program point L278(lines 277 324) no Hoare annotation was computed. [2020-08-18 18:26:46,515 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,515 INFO L268 CegarLoopResult]: For program point L307(lines 307 320) no Hoare annotation was computed. [2020-08-18 18:26:46,515 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,516 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-08-18 18:26:46,516 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-08-18 18:26:46,516 INFO L268 CegarLoopResult]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2020-08-18 18:26:46,516 INFO L264 CegarLoopResult]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:26:46,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 759 804) no Hoare annotation was computed. [2020-08-18 18:26:46,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 759 804) no Hoare annotation was computed. [2020-08-18 18:26:46,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 759 804) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 444 466) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 444 466) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 444 466) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point L452(lines 452 460) no Hoare annotation was computed. [2020-08-18 18:26:46,517 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 460) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 362 371) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 362 371) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 362 371) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 656 758) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point L702(lines 702 743) no Hoare annotation was computed. [2020-08-18 18:26:46,518 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L744(lines 744 755) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 656 758) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 725) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L726(lines 704 727) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 656 758) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L685(lines 685 701) no Hoare annotation was computed. [2020-08-18 18:26:46,519 INFO L268 CegarLoopResult]: For program point L745(lines 745 752) no Hoare annotation was computed. [2020-08-18 18:26:46,520 INFO L268 CegarLoopResult]: For program point L706(lines 705 725) no Hoare annotation was computed. [2020-08-18 18:26:46,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,520 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 18:26:46,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,520 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 186 193) no Hoare annotation was computed. [2020-08-18 18:26:46,520 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 186 193) no Hoare annotation was computed. [2020-08-18 18:26:46,521 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 186 193) no Hoare annotation was computed. [2020-08-18 18:26:46,521 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 467 475) no Hoare annotation was computed. [2020-08-18 18:26:46,521 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 467 475) no Hoare annotation was computed. [2020-08-18 18:26:46,521 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 467 475) no Hoare annotation was computed. [2020-08-18 18:26:46,521 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 18:26:46,521 INFO L268 CegarLoopResult]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2020-08-18 18:26:46,521 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2020-08-18 18:26:46,522 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,522 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,522 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,522 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,522 INFO L268 CegarLoopResult]: For program point L159(lines 158 177) no Hoare annotation was computed. [2020-08-18 18:26:46,522 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,522 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2020-08-18 18:26:46,522 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,523 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2020-08-18 18:26:46,523 INFO L264 CegarLoopResult]: At program point L166(lines 166 172) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,523 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 18:26:46,523 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 18:26:46,523 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 18:26:46,523 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 18:26:46,523 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 18:26:46,523 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 18:26:46,524 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 18:26:46,524 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 18:26:46,524 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 18:26:46,524 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 18:26:46,524 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2020-08-18 18:26:46,524 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2020-08-18 18:26:46,524 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2020-08-18 18:26:46,524 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2020-08-18 18:26:46,524 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2020-08-18 18:26:46,525 INFO L268 CegarLoopResult]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2020-08-18 18:26:46,525 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 18:26:46,525 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 18:26:46,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,525 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 18:26:46,525 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 18:26:46,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:26:46,525 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2020-08-18 18:26:46,526 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 18:26:46,526 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2020-08-18 18:26:46,526 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2020-08-18 18:26:46,526 INFO L268 CegarLoopResult]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2020-08-18 18:26:46,526 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,526 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2020-08-18 18:26:46,526 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2020-08-18 18:26:46,527 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2020-08-18 18:26:46,527 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2020-08-18 18:26:46,527 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,527 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2020-08-18 18:26:46,527 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-08-18 18:26:46,527 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:26:46,527 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-08-18 18:26:46,527 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2020-08-18 18:26:46,528 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-08-18 18:26:46,528 INFO L268 CegarLoopResult]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2020-08-18 18:26:46,528 INFO L271 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: true [2020-08-18 18:26:46,528 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-08-18 18:26:46,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 06:26:46 BoogieIcfgContainer [2020-08-18 18:26:46,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 18:26:46,545 INFO L168 Benchmark]: Toolchain (without parser) took 18471.89 ms. Allocated memory was 137.9 MB in the beginning and 526.4 MB in the end (delta: 388.5 MB). Free memory was 98.5 MB in the beginning and 166.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 404.3 MB. Max. memory is 7.1 GB. [2020-08-18 18:26:46,546 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 18:26:46,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.40 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 170.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-08-18 18:26:46,548 INFO L168 Benchmark]: Boogie Preprocessor took 86.56 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 18:26:46,549 INFO L168 Benchmark]: RCFGBuilder took 1217.47 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 85.3 MB in the end (delta: 80.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-08-18 18:26:46,550 INFO L168 Benchmark]: TraceAbstraction took 16584.61 ms. Allocated memory was 231.2 MB in the beginning and 526.4 MB in the end (delta: 295.2 MB). Free memory was 202.5 MB in the beginning and 166.8 MB in the end (delta: 35.7 MB). Peak memory consumption was 414.9 MB. Max. memory is 7.1 GB. [2020-08-18 18:26:46,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 564.40 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 170.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.56 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1217.47 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 85.3 MB in the end (delta: 80.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16584.61 ms. Allocated memory was 231.2 MB in the beginning and 526.4 MB in the end (delta: 295.2 MB). Free memory was 202.5 MB in the beginning and 166.8 MB in the end (delta: 35.7 MB). Peak memory consumption was 414.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 513 SDslu, 257 SDs, 0 SdLazy, 1153 SolverSat, 340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 617 HoareAnnotationTreeSize, 175 FomulaSimplifications, 28279 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6894 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 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...