/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 10:23:03,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 10:23:03,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 10:23:03,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 10:23:03,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 10:23:03,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 10:23:03,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 10:23:03,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 10:23:03,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 10:23:03,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 10:23:03,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 10:23:03,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 10:23:03,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 10:23:03,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 10:23:03,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 10:23:03,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 10:23:03,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 10:23:03,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 10:23:03,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 10:23:03,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 10:23:03,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 10:23:03,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 10:23:03,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 10:23:03,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 10:23:03,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 10:23:03,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 10:23:03,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 10:23:03,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 10:23:03,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 10:23:03,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 10:23:03,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 10:23:03,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 10:23:03,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 10:23:03,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 10:23:03,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 10:23:03,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 10:23:03,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 10:23:03,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 10:23:03,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 10:23:03,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 10:23:03,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 10:23:03,713 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 10:23:03,739 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 10:23:03,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 10:23:03,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 10:23:03,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 10:23:03,741 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 10:23:03,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 10:23:03,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 10:23:03,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 10:23:03,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 10:23:03,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 10:23:03,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 10:23:03,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 10:23:03,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 10:23:03,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 10:23:03,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 10:23:03,743 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 10:23:03,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 10:23:03,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 10:23:03,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 10:23:03,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 10:23:03,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 10:23:03,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:23:03,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 10:23:03,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 10:23:03,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 10:23:03,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 10:23:03,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 10:23:03,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 10:23:03,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 10:23:03,746 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 -> false [2020-08-18 10:23:04,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 10:23:04,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 10:23:04,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 10:23:04,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 10:23:04,103 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 10:23:04,105 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-08-18 10:23:04,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5332ec52f/ddb9c44444474b37bdcac131315e05e8/FLAG32dc0ed28 [2020-08-18 10:23:04,719 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 10:23:04,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-08-18 10:23:04,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5332ec52f/ddb9c44444474b37bdcac131315e05e8/FLAG32dc0ed28 [2020-08-18 10:23:05,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5332ec52f/ddb9c44444474b37bdcac131315e05e8 [2020-08-18 10:23:05,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 10:23:05,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 10:23:05,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 10:23:05,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 10:23:05,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 10:23:05,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19da8246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05, skipping insertion in model container [2020-08-18 10:23:05,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 10:23:05,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 10:23:05,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:23:05,461 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 10:23:05,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:23:05,692 INFO L208 MainTranslator]: Completed translation [2020-08-18 10:23:05,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05 WrapperNode [2020-08-18 10:23:05,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 10:23:05,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 10:23:05,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 10:23:05,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 10:23:05,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... [2020-08-18 10:23:05,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 10:23:05,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 10:23:05,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 10:23:05,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 10:23:05,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:23:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 10:23:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 10:23:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 10:23:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 10:23:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 10:23:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 10:23:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 10:23:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 10:23:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 10:23:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 10:23:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 10:23:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 10:23:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 10:23:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 10:23:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 10:23:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 10:23:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 10:23:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 10:23:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 10:23:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 10:23:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 10:23:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 10:23:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 10:23:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 10:23:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 10:23:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 10:23:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 10:23:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 10:23:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 10:23:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 10:23:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 10:23:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 10:23:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 10:23:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 10:23:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 10:23:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 10:23:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 10:23:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 10:23:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 10:23:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 10:23:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 10:23:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 10:23:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 10:23:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 10:23:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 10:23:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 10:23:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 10:23:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 10:23:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 10:23:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 10:23:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 10:23:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 10:23:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 10:23:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 10:23:06,862 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 10:23:06,863 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 10:23:06,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:23:06 BoogieIcfgContainer [2020-08-18 10:23:06,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 10:23:06,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 10:23:06,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 10:23:06,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 10:23:06,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:23:05" (1/3) ... [2020-08-18 10:23:06,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a41aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:23:06, skipping insertion in model container [2020-08-18 10:23:06,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:05" (2/3) ... [2020-08-18 10:23:06,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a41aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:23:06, skipping insertion in model container [2020-08-18 10:23:06,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:23:06" (3/3) ... [2020-08-18 10:23:06,876 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2020-08-18 10:23:06,887 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 10:23:06,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 10:23:06,908 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 10:23:06,932 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 10:23:06,933 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 10:23:06,933 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 10:23:06,933 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 10:23:06,933 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 10:23:06,934 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 10:23:06,934 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 10:23:06,934 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 10:23:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-08-18 10:23:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 10:23:06,977 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:06,978 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 10:23:06,979 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:06,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:06,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1732377001, now seen corresponding path program 1 times [2020-08-18 10:23:06,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:06,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253706748] [2020-08-18 10:23:06,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,637 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 10:23:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 10:23:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:07,742 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 10:23:07,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253706748] [2020-08-18 10:23:07,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:07,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 10:23:07,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696928131] [2020-08-18 10:23:07,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 10:23:07,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:07,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 10:23:07,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:23:07,778 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 3 states. [2020-08-18 10:23:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:08,822 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-18 10:23:08,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 10:23:08,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 10:23:08,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:08,842 INFO L225 Difference]: With dead ends: 243 [2020-08-18 10:23:08,842 INFO L226 Difference]: Without dead ends: 132 [2020-08-18 10:23:08,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:23:08,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-18 10:23:08,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-18 10:23:08,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 10:23:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-18 10:23:08,947 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-18 10:23:08,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:08,948 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-18 10:23:08,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 10:23:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-18 10:23:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 10:23:08,951 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:08,952 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 10:23:08,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 10:23:08,952 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:08,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:08,953 INFO L82 PathProgramCache]: Analyzing trace with hash -649161626, now seen corresponding path program 1 times [2020-08-18 10:23:08,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:08,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91287672] [2020-08-18 10:23:08,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,297 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:09,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:23:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:23:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,343 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 10:23:09,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91287672] [2020-08-18 10:23:09,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:09,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 10:23:09,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651561329] [2020-08-18 10:23:09,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 10:23:09,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:09,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 10:23:09,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 10:23:09,347 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-18 10:23:09,784 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:10,346 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-18 10:23:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 10:23:10,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 10:23:10,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:10,350 INFO L225 Difference]: With dead ends: 176 [2020-08-18 10:23:10,350 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 10:23:10,351 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 10:23:10,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 10:23:10,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 10:23:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 10:23:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-18 10:23:10,383 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-18 10:23:10,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:10,384 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-18 10:23:10,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 10:23:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-18 10:23:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 10:23:10,386 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:10,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:23:10,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 10:23:10,387 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:10,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:10,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1083619530, now seen corresponding path program 1 times [2020-08-18 10:23:10,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:10,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837940119] [2020-08-18 10:23:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,687 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:10,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 10:23:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:23:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:10,768 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 10:23:10,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837940119] [2020-08-18 10:23:10,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:10,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 10:23:10,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548996912] [2020-08-18 10:23:10,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 10:23:10,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:10,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 10:23:10,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 10:23:10,771 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-18 10:23:11,135 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:11,441 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:11,697 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:11,939 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:12,851 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-18 10:23:12,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 10:23:12,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 10:23:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:12,857 INFO L225 Difference]: With dead ends: 185 [2020-08-18 10:23:12,857 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 10:23:12,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 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 10:23:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 10:23:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 10:23:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 10:23:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-18 10:23:12,918 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-18 10:23:12,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:12,919 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-18 10:23:12,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 10:23:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-18 10:23:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 10:23:12,933 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:12,933 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 10:23:12,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 10:23:12,934 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash 285215055, now seen corresponding path program 1 times [2020-08-18 10:23:12,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:12,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498825796] [2020-08-18 10:23:12,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,324 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 10:23:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 10:23:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 10:23:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:23:13,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498825796] [2020-08-18 10:23:13,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:13,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 10:23:13,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753317780] [2020-08-18 10:23:13,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 10:23:13,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:13,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 10:23:13,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 10:23:13,454 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-18 10:23:13,979 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:14,310 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:14,576 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:14,836 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:15,370 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:16,032 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:16,376 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:16,646 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:16,911 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:17,185 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:23:17,511 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:17,767 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:18,017 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:18,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:18,859 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-18 10:23:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 10:23:18,860 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-18 10:23:18,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:18,865 INFO L225 Difference]: With dead ends: 352 [2020-08-18 10:23:18,865 INFO L226 Difference]: Without dead ends: 283 [2020-08-18 10:23:18,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 10:23:18,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-18 10:23:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-18 10:23:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-18 10:23:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-18 10:23:18,939 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-18 10:23:18,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:18,939 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-18 10:23:18,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 10:23:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-18 10:23:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 10:23:18,943 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:18,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:23:18,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 10:23:18,943 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:18,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:18,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1313856779, now seen corresponding path program 1 times [2020-08-18 10:23:18,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:18,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586539714] [2020-08-18 10:23:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,181 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 10:23:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:23:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 10:23:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 10:23:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:19,274 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 10:23:19,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586539714] [2020-08-18 10:23:19,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:19,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 10:23:19,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456398559] [2020-08-18 10:23:19,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 10:23:19,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:19,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 10:23:19,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 10:23:19,278 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-18 10:23:19,600 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:20,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:20,079 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-18 10:23:20,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 10:23:20,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-18 10:23:20,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:20,083 INFO L225 Difference]: With dead ends: 357 [2020-08-18 10:23:20,083 INFO L226 Difference]: Without dead ends: 163 [2020-08-18 10:23:20,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 10:23:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-18 10:23:20,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-18 10:23:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-18 10:23:20,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-18 10:23:20,118 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-18 10:23:20,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:20,119 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-18 10:23:20,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 10:23:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-18 10:23:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-18 10:23:20,121 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:20,121 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:23:20,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 10:23:20,121 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:20,122 INFO L82 PathProgramCache]: Analyzing trace with hash -670473657, now seen corresponding path program 1 times [2020-08-18 10:23:20,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:20,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938715570] [2020-08-18 10:23:20,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,414 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 10:23:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 10:23:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 10:23:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 10:23:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 10:23:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 10:23:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-18 10:23:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-18 10:23:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 10:23:20,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938715570] [2020-08-18 10:23:20,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 10:23:20,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 10:23:20,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610368164] [2020-08-18 10:23:20,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 10:23:20,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:20,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 10:23:20,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 10:23:20,593 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-18 10:23:21,330 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 10:23:21,934 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:22,472 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-18 10:23:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 10:23:22,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-18 10:23:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:22,474 INFO L225 Difference]: With dead ends: 203 [2020-08-18 10:23:22,474 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 10:23:22,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 10:23:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 10:23:22,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 10:23:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 10:23:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 10:23:22,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-18 10:23:22,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:22,476 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 10:23:22,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 10:23:22,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 10:23:22,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 10:23:22,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 10:23:22,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 10:23:24,333 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 25 [2020-08-18 10:23:24,895 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 10:23:25,318 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:25,734 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:25,867 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:26,247 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:26,858 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 10:23:27,000 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:27,727 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 10:23:28,131 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 10:23:28,660 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 10:23:29,233 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 10:23:29,801 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 10:23:29,980 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:30,365 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:30,744 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:31,107 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:31,505 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:31,641 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:32,240 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 10:23:32,846 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 10:23:32,899 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-18 10:23:32,900 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-18 10:23:32,900 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-18 10:23:32,900 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-18 10:23:32,900 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 10:23:32,900 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-18 10:23:32,900 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-18 10:23:32,901 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2020-08-18 10:23:32,902 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2020-08-18 10:23:32,902 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2020-08-18 10:23:32,903 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2020-08-18 10:23:32,903 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2020-08-18 10:23:32,903 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2020-08-18 10:23:32,903 INFO L264 CegarLoopResult]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:32,903 INFO L268 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2020-08-18 10:23:32,903 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:32,903 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-18 10:23:32,903 INFO L268 CegarLoopResult]: For program point L805(lines 805 818) no Hoare annotation was computed. [2020-08-18 10:23:32,903 INFO L268 CegarLoopResult]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2020-08-18 10:23:32,904 INFO L271 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: true [2020-08-18 10:23:32,904 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-08-18 10:23:32,904 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 10:23:32,904 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 10:23:32,904 INFO L264 CegarLoopResult]: At program point L576-1(line 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 10:23:32,904 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 10:23:32,904 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2020-08-18 10:23:32,905 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2020-08-18 10:23:32,905 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:32,905 INFO L264 CegarLoopResult]: At program point L582-1(line 582) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:32,905 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-08-18 10:23:32,905 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2020-08-18 10:23:32,905 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 525 548) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 525 548) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 525 548) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 10:23:32,906 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 10:23:32,907 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2020-08-18 10:23:32,908 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-18 10:23:32,909 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-18 10:23:32,910 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-18 10:23:32,910 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 10:23:32,910 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2020-08-18 10:23:32,910 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2020-08-18 10:23:32,910 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2020-08-18 10:23:32,910 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2020-08-18 10:23:32,910 INFO L271 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: true [2020-08-18 10:23:32,910 INFO L268 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-08-18 10:23:32,910 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2020-08-18 10:23:32,911 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2020-08-18 10:23:32,911 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2020-08-18 10:23:32,911 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2020-08-18 10:23:32,911 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:32,911 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-08-18 10:23:32,911 INFO L268 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2020-08-18 10:23:32,911 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2020-08-18 10:23:32,912 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:32,912 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:32,912 INFO L268 CegarLoopResult]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2020-08-18 10:23:32,912 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:32,912 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:32,912 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-08-18 10:23:32,912 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2020-08-18 10:23:32,913 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2020-08-18 10:23:32,913 INFO L268 CegarLoopResult]: For program point L640(lines 640 644) no Hoare annotation was computed. [2020-08-18 10:23:32,913 INFO L264 CegarLoopResult]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 10:23:32,913 INFO L264 CegarLoopResult]: At program point L640-2(lines 634 645) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:32,913 INFO L268 CegarLoopResult]: For program point L605(lines 604 649) no Hoare annotation was computed. [2020-08-18 10:23:32,913 INFO L268 CegarLoopResult]: For program point L634(lines 634 645) no Hoare annotation was computed. [2020-08-18 10:23:32,913 INFO L268 CegarLoopResult]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2020-08-18 10:23:32,914 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:32,914 INFO L268 CegarLoopResult]: For program point L624(lines 624 630) no Hoare annotation was computed. [2020-08-18 10:23:32,914 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2020-08-18 10:23:32,914 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:32,914 INFO L264 CegarLoopResult]: At program point L647(lines 604 649) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:32,914 INFO L268 CegarLoopResult]: For program point L614(lines 614 620) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L264 CegarLoopResult]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-18 10:23:32,915 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-18 10:23:32,916 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-18 10:23:32,917 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 833 842) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 833 842) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 833 842) no Hoare annotation was computed. [2020-08-18 10:23:32,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,919 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~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.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~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.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~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 10:23:32,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,919 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 723 730) no Hoare annotation was computed. [2020-08-18 10:23:32,919 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 723 730) no Hoare annotation was computed. [2020-08-18 10:23:32,919 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 723 730) no Hoare annotation was computed. [2020-08-18 10:23:32,919 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 10:23:32,920 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,920 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,921 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 10:23:32,921 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 10:23:32,921 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 10:23:32,921 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 10:23:32,921 INFO L268 CegarLoopResult]: For program point L670(lines 669 688) no Hoare annotation was computed. [2020-08-18 10:23:32,921 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 10:23:32,921 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2020-08-18 10:23:32,922 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 10:23:32,922 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2020-08-18 10:23:32,922 INFO L264 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 10:23:32,922 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2020-08-18 10:23:32,922 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2020-08-18 10:23:32,922 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-18 10:23:32,922 INFO L271 CegarLoopResult]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2020-08-18 10:23:32,922 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 10:23:32,923 INFO L271 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2020-08-18 10:23:32,923 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-08-18 10:23:32,923 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-18 10:23:32,923 INFO L271 CegarLoopResult]: At program point L519(lines 494 523) the Hoare annotation is: true [2020-08-18 10:23:32,923 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 10:23:32,923 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 10:23:32,923 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 10:23:32,923 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 10:23:32,924 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2020-08-18 10:23:32,924 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2020-08-18 10:23:32,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,924 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 10:23:32,924 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 10:23:32,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:32,924 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 10:23:32,924 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 10:23:32,925 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 10:23:32,925 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2020-08-18 10:23:32,925 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2020-08-18 10:23:32,925 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2020-08-18 10:23:32,925 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2020-08-18 10:23:32,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:23:32 BoogieIcfgContainer [2020-08-18 10:23:32,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 10:23:32,944 INFO L168 Benchmark]: Toolchain (without parser) took 27916.30 ms. Allocated memory was 139.5 MB in the beginning and 633.3 MB in the end (delta: 493.9 MB). Free memory was 101.4 MB in the beginning and 552.0 MB in the end (delta: -450.7 MB). Peak memory consumption was 492.8 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:32,945 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 10:23:32,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.38 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 173.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:32,947 INFO L168 Benchmark]: Boogie Preprocessor took 87.22 ms. Allocated memory is still 202.9 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:32,948 INFO L168 Benchmark]: RCFGBuilder took 1087.40 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.0 MB in the beginning and 203.8 MB in the end (delta: -34.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:32,948 INFO L168 Benchmark]: TraceAbstraction took 26073.17 ms. Allocated memory was 235.9 MB in the beginning and 633.3 MB in the end (delta: 397.4 MB). Free memory was 203.8 MB in the beginning and 552.0 MB in the end (delta: -348.2 MB). Peak memory consumption was 498.8 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:32,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.38 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 173.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.22 ms. Allocated memory is still 202.9 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1087.40 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.0 MB in the beginning and 203.8 MB in the end (delta: -34.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26073.17 ms. Allocated memory was 235.9 MB in the beginning and 633.3 MB in the end (delta: 397.4 MB). Free memory was 203.8 MB in the beginning and 552.0 MB in the end (delta: -348.2 MB). Peak memory consumption was 498.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 479 SDtfs, 894 SDslu, 344 SDs, 0 SdLazy, 2146 SolverSat, 560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8834 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 109608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...